100659663457 has 2 divisors, whose sum is σ = 100659663458. Its totient is φ = 100659663456.

The previous prime is 100659663389. The next prime is 100659663487. The reversal of 100659663457 is 754366956001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87776505441 + 12883158016 = 296271^2 + 113504^2 .

It is a cyclic number.

It is not a de Polignac number, because 100659663457 - 2¹⁵ = 100659630689 is a prime.

It is not a weakly prime, because it can be changed into another prime (100659663487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50329831728 + 50329831729.

It is an arithmetic number, because the mean of its divisors is an integer number (50329831729).

Almost surely, 2^100659663457 is an apocalyptic number.

It is an amenable number.

100659663457 is a deficient number, since it is larger than the sum of its proper divisors (1).

100659663457 is an equidigital number, since it uses as much as digits as its factorization.

100659663457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 100659663457 in words is "one hundred billion, six hundred fifty-nine million, six hundred sixty-three thousand, four hundred fifty-seven".