6464555002 has 4 divisors (see below), whose sum is σ = 9696832506. Its totient is φ = 3232277500.

The previous prime is 6464554951. The next prime is 6464555017. The reversal of 6464555002 is 2005554646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2005554646 = 2 ⋅1002777323.

It can be written as a sum of positive squares in only one way, i.e., 4283571601 + 2180983401 = 65449^2 + 46701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616138749 + ... + 1616138752.

Almost surely, 2^6464555002 is an apocalyptic number.

6464555002 is a deficient number, since it is larger than the sum of its proper divisors (3232277504).

6464555002 is a wasteful number, since it uses less digits than its factorization.

6464555002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232277503.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 6464555002 is about 80402.4564425739. The cubic root of 6464555002 is about 1862.8571153249.

The spelling of 6464555002 in words is "six billion, four hundred sixty-four million, five hundred fifty-five thousand, two".