6515425612 has 6 divisors (see below), whose sum is σ = 11401994828. Its totient is φ = 3257712804.

The previous prime is 6515425591. The next prime is 6515425649. The reversal of 6515425612 is 2165245156.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814428198 + ... + 814428205.

Almost surely, 2^6515425612 is an apocalyptic number.

It is an amenable number.

6515425612 is a deficient number, since it is larger than the sum of its proper divisors (4886569216).

6515425612 is a wasteful number, since it uses less digits than its factorization.

6515425612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628856407 (or 1628856405 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 6515425612 is about 80718.1863770489. The cubic root of 6515425612 is about 1867.7307266838.

The spelling of 6515425612 in words is "six billion, five hundred fifteen million, four hundred twenty-five thousand, six hundred twelve".