100864963609 has 2 divisors, whose sum is σ = 100864963610. Its totient is φ = 100864963608.

The previous prime is 100864963579. The next prime is 100864963637. The reversal of 100864963609 is 906369468001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66962947984 + 33902015625 = 258772^2 + 184125^2 .

It is a cyclic number.

It is not a de Polignac number, because 100864963609 - 2³¹ = 98717479961 is a prime.

It is not a weakly prime, because it can be changed into another prime (100864963709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50432481804 + 50432481805.

It is an arithmetic number, because the mean of its divisors is an integer number (50432481805).

Almost surely, 2^100864963609 is an apocalyptic number.

It is an amenable number.

100864963609 is a deficient number, since it is larger than the sum of its proper divisors (1).

100864963609 is an equidigital number, since it uses as much as digits as its factorization.

100864963609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 100864963609 in words is "one hundred billion, eight hundred sixty-four million, nine hundred sixty-three thousand, six hundred nine".