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4899704581 is a prime number
BaseRepresentation
bin1001001000000101…
…11000111100000101
3110122110122210010001
410210002320330011
540013311021311
62130105401301
7232263542002
oct44402707405
913573583101
104899704581
112094834632
12b48a99231
136011437a5
14346a348a9
151da2444c1
hex1240b8f05

4899704581 has 2 divisors, whose sum is σ = 4899704582. Its totient is φ = 4899704580.

The previous prime is 4899704567. The next prime is 4899704587. The reversal of 4899704581 is 1854079984.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2710868356 + 2188836225 = 52066^2 + 46785^2 .

It is a cyclic number.

It is not a de Polignac number, because 4899704581 - 217 = 4899573509 is a prime.

It is a super-2 number, since 2×48997045812 = 48014209962144771122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4899704587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449852290 + 2449852291.

It is an arithmetic number, because the mean of its divisors is an integer number (2449852291).

Almost surely, 24899704581 is an apocalyptic number.

It is an amenable number.

4899704581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4899704581 is an equidigital number, since it uses as much as digits as its factorization.

4899704581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 4899704581 is about 69997.8898324800. The cubic root of 4899704581 is about 1698.4651176136.

The spelling of 4899704581 in words is "four billion, eight hundred ninety-nine million, seven hundred four thousand, five hundred eighty-one".