2151612914 has 24 divisors (see below), whose sum is σ = 3561113808. Its totient is φ = 966938720.

The previous prime is 2151612907. The next prime is 2151612929. The reversal of 2151612914 is 4192161512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168089 + ... + 180435.

It is an arithmetic number, because the mean of its divisors is an integer number (148379742).

Almost surely, 2^2151612914 is an apocalyptic number.

2151612914 is a deficient number, since it is larger than the sum of its proper divisors (1409500894).

2151612914 is a wasteful number, since it uses less digits than its factorization.

2151612914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12538 (or 12449 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 2151612914 is about 46385.4817157265. The cubic root of 2151612914 is about 1290.9855485625.

The spelling of 2151612914 in words is "two billion, one hundred fifty-one million, six hundred twelve thousand, nine hundred fourteen".