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998962940641 is a prime number
BaseRepresentation
bin11101000100101101101…
…01001100101011100001
310112111111110000100111011
432202112311030223201
5112331334003100031
62042530042420521
7132113142615241
oct16422665145341
93474443010434
10998962940641
1135572659a946
12141732801741
1373281484453
14364c880db21
151aeba6b46b1
hexe896d4cae1

998962940641 has 2 divisors, whose sum is σ = 998962940642. Its totient is φ = 998962940640.

The previous prime is 998962940639. The next prime is 998962940687. The reversal of 998962940641 is 146049269899.

998962940641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973535449041 + 25427491600 = 986679^2 + 159460^2 .

It is a cyclic number.

It is not a de Polignac number, because 998962940641 - 21 = 998962940639 is a prime.

It is a super-2 number, since 2×9989629406412 (a number of 25 digits) contains 22 as substring.

Together with 998962940639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (998962910641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499481470320 + 499481470321.

It is an arithmetic number, because the mean of its divisors is an integer number (499481470321).

Almost surely, 2998962940641 is an apocalyptic number.

998962940641 is the 632128-th centered pentagonal number.

It is an amenable number.

998962940641 is a deficient number, since it is larger than the sum of its proper divisors (1).

998962940641 is an equidigital number, since it uses as much as digits as its factorization.

998962940641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60466176, while the sum is 67.

The spelling of 998962940641 in words is "nine hundred ninety-eight billion, nine hundred sixty-two million, nine hundred forty thousand, six hundred forty-one".