2100388384404 has 72 divisors (see below), whose sum is σ = 5314316297472. Its totient is φ = 699470320320.

The previous prime is 2100388384363. The next prime is 2100388384447. The reversal of 2100388384404 is 4044838830012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100388384404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207276922 + ... + 207287054.

It is an arithmetic number, because the mean of its divisors is an integer number (73809948576).

Almost surely, 2^{2100388384404} is an apocalyptic number.

It is an amenable number.

2100388384404 is an abundant number, since it is smaller than the sum of its proper divisors (3213927913068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100388384404 is a wasteful number, since it uses less digits than its factorization.

2100388384404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14997 (or 14992 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 2100388384404 in words is "two trillion, one hundred billion, three hundred eighty-eight million, three hundred eighty-four thousand, four hundred four".