2151492244 has 12 divisors (see below), whose sum is σ = 4107394368. Its totient is φ = 977951000.

The previous prime is 2151492221. The next prime is 2151492263. The reversal of 2151492244 is 4422941512.

It is a congruent number.

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, 24448732 + ... + 24448819.

It is an arithmetic number, because the mean of its divisors is an integer number (342282864).

Almost surely, 2^2151492244 is an apocalyptic number.

It is an amenable number.

2151492244 is a deficient number, since it is larger than the sum of its proper divisors (1955902124).

2151492244 is a wasteful number, since it uses less digits than its factorization.

2151492244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48897566 (or 48897564 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2151492244 is about 46384.1809672220. The cubic root of 2151492244 is about 1290.9614137786.

The spelling of 2151492244 in words is "two billion, one hundred fifty-one million, four hundred ninety-two thousand, two hundred forty-four".