2163900774 has 32 divisors (see below), whose sum is σ = 5051298816. Its totient is φ = 605102400.

The previous prime is 2163900769. The next prime is 2163900787. The reversal of 2163900774 is 4770093612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546127 + ... + 550074.

It is an arithmetic number, because the mean of its divisors is an integer number (157853088).

Almost surely, 2^2163900774 is an apocalyptic number.

2163900774 is an abundant number, since it is smaller than the sum of its proper divisors (2887398042).

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

2163900774 is a wasteful number, since it uses less digits than its factorization.

2163900774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096260.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 2163900774 is about 46517.7468714898. The cubic root of 2163900774 is about 1293.4384907736.

The spelling of 2163900774 in words is "two billion, one hundred sixty-three million, nine hundred thousand, seven hundred seventy-four".