6460665758 has 4 divisors (see below), whose sum is σ = 9690998640. Its totient is φ = 3230332878.

The previous prime is 6460665727. The next prime is 6460665811. The reversal of 6460665758 is 8575660646.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615166438 + ... + 1615166441.

It is an arithmetic number, because the mean of its divisors is an integer number (2422749660).

Almost surely, 2^6460665758 is an apocalyptic number.

6460665758 is a deficient number, since it is larger than the sum of its proper divisors (3230332882).

6460665758 is a wasteful number, since it uses less digits than its factorization.

6460665758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230332881.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The square root of 6460665758 is about 80378.2667018890. The cubic root of 6460665758 is about 1862.4834593249.

The spelling of 6460665758 in words is "six billion, four hundred sixty million, six hundred sixty-five thousand, seven hundred fifty-eight".