6686370537425 has 48 divisors (see below), whose sum is σ = 8727608397312. Its totient is φ = 5075292211200.

The previous prime is 6686370537419. The next prime is 6686370537479. The reversal of 6686370537425 is 5247350736866.

It is not a de Polignac number, because 6686370537425 - 2²⁴ = 6686353760209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7628099 + ... + 8459351.

It is an arithmetic number, because the mean of its divisors is an integer number (181825174944).

Almost surely, 2^{6686370537425} is an apocalyptic number.

It is an amenable number.

6686370537425 is a deficient number, since it is larger than the sum of its proper divisors (2041237859887).

6686370537425 is a wasteful number, since it uses less digits than its factorization.

6686370537425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831498 (or 831493 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 62.

The spelling of 6686370537425 in words is "six trillion, six hundred eighty-six billion, three hundred seventy million, five hundred thirty-seven thousand, four hundred twenty-five".