2309522972 has 24 divisors (see below), whose sum is σ = 4102828800. Its totient is φ = 1137357936.

The previous prime is 2309522951. The next prime is 2309522987. The reversal of 2309522972 is 2792259032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123683 + ... + 141125.

It is an arithmetic number, because the mean of its divisors is an integer number (170951200).

Almost surely, 2^2309522972 is an apocalyptic number.

It is an amenable number.

2309522972 is a deficient number, since it is larger than the sum of its proper divisors (1793305828).

2309522972 is a wasteful number, since it uses less digits than its factorization.

2309522972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17945 (or 17943 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2309522972 is about 48057.4965223949. The cubic root of 2309522972 is about 1321.8254076274.

The spelling of 2309522972 in words is "two billion, three hundred nine million, five hundred twenty-two thousand, nine hundred seventy-two".