2565470812 has 12 divisors (see below), whose sum is σ = 4492176696. Its totient is φ = 1281991760.

The previous prime is 2565470767. The next prime is 2565470827. The reversal of 2565470812 is 2180745652.

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, 178114 + ... + 191977.

It is an arithmetic number, because the mean of its divisors is an integer number (374348058).

Almost surely, 2^2565470812 is an apocalyptic number.

It is an amenable number.

2565470812 is a deficient number, since it is larger than the sum of its proper divisors (1926705884).

2565470812 is a wasteful number, since it uses less digits than its factorization.

2565470812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371828 (or 371826 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2565470812 is about 50650.4769177942. The cubic root of 2565470812 is about 1368.9545386819.

The spelling of 2565470812 in words is "two billion, five hundred sixty-five million, four hundred seventy thousand, eight hundred twelve".