64962448836 has 48 divisors (see below), whose sum is σ = 153102216960. Its totient is φ = 21437347360.

The previous prime is 64962448813. The next prime is 64962448871. The reversal of 64962448836 is 63884426946.

It is a super-3 number, since 3×64962448836³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64962448836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609355 + ... + 707981.

It is an arithmetic number, because the mean of its divisors is an integer number (3189629520).

Almost surely, 2^64962448836 is an apocalyptic number.

It is an amenable number.

64962448836 is an abundant number, since it is smaller than the sum of its proper divisors (88139768124).

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

64962448836 is a wasteful number, since it uses less digits than its factorization.

64962448836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99184 (or 99182 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 60.

The spelling of 64962448836 in words is "sixty-four billion, nine hundred sixty-two million, four hundred forty-eight thousand, eight hundred thirty-six".