2190704964 has 48 divisors (see below), whose sum is σ = 5859603456. Its totient is φ = 624016800.

The previous prime is 2190704933. The next prime is 2190704969. The reversal of 2190704964 is 4694070912.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2190704969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11592 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (122075072).

Almost surely, 2^2190704964 is an apocalyptic number.

It is an amenable number.

2190704964 is an abundant number, since it is smaller than the sum of its proper divisors (3668898492).

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

2190704964 is a wasteful number, since it uses less digits than its factorization.

2190704964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79136 (or 79134 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2190704964 is about 46804.9673004907. The cubic root of 2190704964 is about 1298.7571877809.

The spelling of 2190704964 in words is "two billion, one hundred ninety million, seven hundred four thousand, nine hundred sixty-four".