2156004364 has 6 divisors (see below), whose sum is σ = 3773007644. Its totient is φ = 1078002180.

The previous prime is 2156004307. The next prime is 2156004377. The reversal of 2156004364 is 4634006512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269500542 + ... + 269500549.

Almost surely, 2^2156004364 is an apocalyptic number.

It is an amenable number.

2156004364 is a deficient number, since it is larger than the sum of its proper divisors (1617003280).

2156004364 is a wasteful number, since it uses less digits than its factorization.

2156004364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539001095 (or 539001093 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2156004364 is about 46432.7940576485. The cubic root of 2156004364 is about 1291.8632538099.

The spelling of 2156004364 in words is "two billion, one hundred fifty-six million, four thousand, three hundred sixty-four".