6464675020 has 12 divisors (see below), whose sum is σ = 13575817584. Its totient is φ = 2585870000.

The previous prime is 6464674913. The next prime is 6464675047. The reversal of 6464675020 is 205764646.

It is a super-2 number, since 2×6464675020² = 83584046228424000800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161616856 + ... + 161616895.

It is an arithmetic number, because the mean of its divisors is an integer number (1131318132).

Almost surely, 2^6464675020 is an apocalyptic number.

It is an amenable number.

6464675020 is an abundant number, since it is smaller than the sum of its proper divisors (7111142564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6464675020 is a wasteful number, since it uses less digits than its factorization.

6464675020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323233760 (or 323233758 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6464675020 is about 80403.2027969036. The cubic root of 6464675020 is about 1862.8686435741.

The spelling of 6464675020 in words is "six billion, four hundred sixty-four million, six hundred seventy-five thousand, twenty".