6442408510675 has 6 divisors (see below), whose sum is σ = 7988586553268. Its totient is φ = 5153926808520.

The previous prime is 6442408510621. The next prime is 6442408510697. The reversal of 6442408510675 is 5760158042446.

It is a de Polignac number, because none of the positive numbers 2^k-6442408510675 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128848170189 + ... + 128848170238.

Almost surely, 2^{6442408510675} is an apocalyptic number.

6442408510675 is a deficient number, since it is larger than the sum of its proper divisors (1546178042593).

6442408510675 is a wasteful number, since it uses less digits than its factorization.

6442408510675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257696340437 (or 257696340432 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 6442408510675 in words is "six trillion, four hundred forty-two billion, four hundred eight million, five hundred ten thousand, six hundred seventy-five".