6465870975 has 48 divisors (see below), whose sum is σ = 11308061952. Its totient is φ = 3253282560.

The previous prime is 6465870941. The next prime is 6465870989. The reversal of 6465870975 is 5790785646.

It is not a de Polignac number, because 6465870975 - 2¹² = 6465866879 is a prime.

It is a congruent number.

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, 100252 + ... + 151598.

It is an arithmetic number, because the mean of its divisors is an integer number (235584624).

Almost surely, 2^6465870975 is an apocalyptic number.

6465870975 is a deficient number, since it is larger than the sum of its proper divisors (4842190977).

6465870975 is a wasteful number, since it uses less digits than its factorization.

6465870975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51456 (or 51451 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The square root of 6465870975 is about 80410.6396877926. The cubic root of 6465870975 is about 1862.9835124416.

The spelling of 6465870975 in words is "six billion, four hundred sixty-five million, eight hundred seventy thousand, nine hundred seventy-five".