6745679439025 has 24 divisors (see below), whose sum is σ = 8449300620864. Its totient is φ = 5342002881600.

The previous prime is 6745679439007. The next prime is 6745679439043. The reversal of 6745679439025 is 5209349765476.

It is an interprime number because it is at equal distance from previous prime (6745679439007) and next prime (6745679439043).

It is a de Polignac number, because none of the positive numbers 2^k-6745679439025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2517855 + ... + 4453195.

It is an arithmetic number, because the mean of its divisors is an integer number (352054192536).

Almost surely, 2^{6745679439025} is an apocalyptic number.

It is an amenable number.

6745679439025 is a deficient number, since it is larger than the sum of its proper divisors (1703621181839).

6745679439025 is a wasteful number, since it uses less digits than its factorization.

6745679439025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936761 (or 1936756 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 67.

The spelling of 6745679439025 in words is "six trillion, seven hundred forty-five billion, six hundred seventy-nine million, four hundred thirty-nine thousand, twenty-five".