2113902617004 has 18 divisors (see below), whose sum is σ = 5343476059740. Its totient is φ = 704634205656.

The previous prime is 2113902616997. The next prime is 2113902617009. The reversal of 2113902617004 is 4007162093112.

2113902617004 is a `hidden beast` number, since 2 + 1 + 1 + 39 + 0 + 2 + 617 + 0 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 58719517139 = 2113902617004 / (2 + 1 + 1 + 3 + 9 + 0 + 2 + 6 + 1 + 7 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 2113902617004.

It is not an unprimeable number, because it can be changed into a prime (2113902617009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29359758534 + ... + 29359758605.

Almost surely, 2^{2113902617004} is an apocalyptic number.

It is an amenable number.

2113902617004 is an abundant number, since it is smaller than the sum of its proper divisors (3229573442736).

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

2113902617004 is a wasteful number, since it uses less digits than its factorization.

2113902617004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58719517149 (or 58719517144 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 2113902617004 in words is "two trillion, one hundred thirteen billion, nine hundred two million, six hundred seventeen thousand, four".