2154967896 has 32 divisors (see below), whose sum is σ = 5390069040. Its totient is φ = 717969408.

The previous prime is 2154967891. The next prime is 2154967939. The reversal of 2154967896 is 6987694512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154967891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30280 + ... + 72296.

Almost surely, 2^2154967896 is an apocalyptic number.

It is an amenable number.

2154967896 is an abundant number, since it is smaller than the sum of its proper divisors (3235101144).

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

2154967896 is a wasteful number, since it uses less digits than its factorization.

2154967896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44163 (or 44159 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The square root of 2154967896 is about 46421.6317679592. The cubic root of 2154967896 is about 1291.6562057527.

The spelling of 2154967896 in words is "two billion, one hundred fifty-four million, nine hundred sixty-seven thousand, eight hundred ninety-six".