100874645939 has 4 divisors (see below), whose sum is σ = 100875464256. Its totient is φ = 100873827624.

The previous prime is 100874645923. The next prime is 100874646011. The reversal of 100874645939 is 939546478001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 100874645939 - 2⁴ = 100874645923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100874645909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182339 + ... + 484764.

It is an arithmetic number, because the mean of its divisors is an integer number (25218866064).

Almost surely, 2^100874645939 is an apocalyptic number.

100874645939 is a deficient number, since it is larger than the sum of its proper divisors (818317).

100874645939 is an equidigital number, since it uses as much as digits as its factorization.

100874645939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818316.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 100874645939 in words is "one hundred billion, eight hundred seventy-four million, six hundred forty-five thousand, nine hundred thirty-nine".