100830644489 has 2 divisors, whose sum is σ = 100830644490. Its totient is φ = 100830644488.

The previous prime is 100830644441. The next prime is 100830644491. The reversal of 100830644489 is 984446038001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96898351225 + 3932293264 = 311285^2 + 62708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100830644489 is a prime.

It is a super-2 number, since 2×100830644489² (a number of 23 digits) contains 22 as substring.

Together with 100830644491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100830644419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50415322244 + 50415322245.

It is an arithmetic number, because the mean of its divisors is an integer number (50415322245).

Almost surely, 2^100830644489 is an apocalyptic number.

It is an amenable number.

100830644489 is a deficient number, since it is larger than the sum of its proper divisors (1).

100830644489 is an equidigital number, since it uses as much as digits as its factorization.

100830644489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 100830644489 in words is "one hundred billion, eight hundred thirty million, six hundred forty-four thousand, four hundred eighty-nine".