100919074645 has 32 divisors (see below), whose sum is σ = 124568027136. Its totient is φ = 78442214400.

The previous prime is 100919074631. The next prime is 100919074661. The reversal of 100919074645 is 546470919001.

It is not a de Polignac number, because 100919074645 - 2²¹ = 100916977493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100919074595 and 100919074604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92841292 + ... + 92842378.

It is an arithmetic number, because the mean of its divisors is an integer number (3892750848).

Almost surely, 2^100919074645 is an apocalyptic number.

It is an amenable number.

100919074645 is a deficient number, since it is larger than the sum of its proper divisors (23648952491).

100919074645 is a wasteful number, since it uses less digits than its factorization.

100919074645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 100919074645 in words is "one hundred billion, nine hundred nineteen million, seventy-four thousand, six hundred forty-five".