2151277696 has 32 divisors (see below), whose sum is σ = 4294673280. Its totient is φ = 1073399040.

The previous prime is 2151277649. The next prime is 2151277721. The reversal of 2151277696 is 6967721512.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45081 + ... + 79591.

It is an arithmetic number, because the mean of its divisors is an integer number (134208540).

Almost surely, 2^2151277696 is an apocalyptic number.

It is an amenable number.

2151277696 is a deficient number, since it is larger than the sum of its proper divisors (2143395584).

2151277696 is an equidigital number, since it uses as much as digits as its factorization.

2151277696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012 (or 35000 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 2151277696 is about 46381.8681814349. The cubic root of 2151277696 is about 1290.9185005560.

The spelling of 2151277696 in words is "two billion, one hundred fifty-one million, two hundred seventy-seven thousand, six hundred ninety-six".