2190051688374 has 48 divisors (see below), whose sum is σ = 5176691080704. Its totient is φ = 663625710000.

The previous prime is 2190051688343. The next prime is 2190051688379. The reversal of 2190051688374 is 4738861500912.

2190051688374 is a `hidden beast` number, since 2 + 1 + 90 + 0 + 516 + 8 + 8 + 37 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2190051688374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190051688379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5112999 + ... + 5524749.

It is an arithmetic number, because the mean of its divisors is an integer number (107847730848).

It is a 1-persistent number, because it is pandigital, but 2⋅2190051688374 = 4380103376748 is not.

Almost surely, 2^{2190051688374} is an apocalyptic number.

2190051688374 is an abundant number, since it is smaller than the sum of its proper divisors (2986639392330).

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

2190051688374 is a wasteful number, since it uses less digits than its factorization.

2190051688374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438633 (or 438630 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 2190051688374 in words is "two trillion, one hundred ninety billion, fifty-one million, six hundred eighty-eight thousand, three hundred seventy-four".