2149064164 has 27 divisors (see below), whose sum is σ = 4074698313. Its totient is φ = 991319472.

The previous prime is 2149064147. The next prime is 2149064189. The reversal of 2149064164 is 4614609412.

The square root of 2149064164 is 46358.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 317908900 + 1831155264 = 17830^2 + 42792^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1204417 + ... + 1206199.

Almost surely, 2^2149064164 is an apocalyptic number.

2149064164 is the 46358-th square number.

It is an amenable number.

2149064164 is a deficient number, since it is larger than the sum of its proper divisors (1925634149).

2149064164 is an equidigital number, since it uses as much as digits as its factorization.

2149064164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The cubic root of 2149064164 is about 1290.4755901193.

The spelling of 2149064164 in words is "two billion, one hundred forty-nine million, sixty-four thousand, one hundred sixty-four".