2183774690 has 32 divisors (see below), whose sum is σ = 4195981440. Its totient is φ = 815875200.

The previous prime is 2183774653. The next prime is 2183774693. The reversal of 2183774690 is 964773812.

It is a super-2 number, since 2×2183774690² = 9537743793369192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2183774693) 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, 67451 + ... + 94430.

It is an arithmetic number, because the mean of its divisors is an integer number (131124420).

Almost surely, 2^2183774690 is an apocalyptic number.

2183774690 is a deficient number, since it is larger than the sum of its proper divisors (2012206750).

2183774690 is a wasteful number, since it uses less digits than its factorization.

2183774690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161978.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 2183774690 is about 46730.8751255527. The cubic root of 2183774690 is about 1297.3862057926.

The spelling of 2183774690 in words is "two billion, one hundred eighty-three million, seven hundred seventy-four thousand, six hundred ninety".