64934783624 has 32 divisors (see below), whose sum is σ = 125063326080. Its totient is φ = 31584844224.

The previous prime is 64934783597. The next prime is 64934783677. The reversal of 64934783624 is 42638743946.

It is a super-2 number, since 2×64934783624² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64934783624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398049 + ... + 2424975.

It is an arithmetic number, because the mean of its divisors is an integer number (3908228940).

Almost surely, 2^64934783624 is an apocalyptic number.

It is an amenable number.

64934783624 is a deficient number, since it is larger than the sum of its proper divisors (60128542456).

64934783624 is a wasteful number, since it uses less digits than its factorization.

64934783624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35117 (or 35113 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 56.

The spelling of 64934783624 in words is "sixty-four billion, nine hundred thirty-four million, seven hundred eighty-three thousand, six hundred twenty-four".