2657397012 has 24 divisors (see below), whose sum is σ = 6206966976. Its totient is φ = 884888448.

The previous prime is 2657396953. The next prime is 2657397053. The reversal of 2657397012 is 2107937562.

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, 101608 + ... + 125055.

It is an arithmetic number, because the mean of its divisors is an integer number (258623624).

Almost surely, 2^2657397012 is an apocalyptic number.

It is an amenable number.

2657397012 is an abundant number, since it is smaller than the sum of its proper divisors (3549569964).

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

2657397012 is a wasteful number, since it uses less digits than its factorization.

2657397012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227647 (or 227645 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 2657397012 is about 51549.9467700986. The cubic root of 2657397012 is about 1385.1138783885.

The spelling of 2657397012 in words is "two billion, six hundred fifty-seven million, three hundred ninety-seven thousand, twelve".