6464521130502 has 16 divisors (see below), whose sum is σ = 12929187055680. Its totient is φ = 2154816244392.

The previous prime is 6464521130437. The next prime is 6464521130537. The reversal of 6464521130502 is 2050311254646.

It is a super-2 number, since 2×6464521130502² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5448352 + ... + 6527907.

It is an arithmetic number, because the mean of its divisors is an integer number (808074190980).

Almost surely, 2^{6464521130502} is an apocalyptic number.

6464521130502 is an abundant number, since it is smaller than the sum of its proper divisors (6464665925178).

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

6464521130502 is a wasteful number, since it uses less digits than its factorization.

6464521130502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12066227.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 6464521130502 in words is "six trillion, four hundred sixty-four billion, five hundred twenty-one million, one hundred thirty thousand, five hundred two".