64351135456 has 24 divisors (see below), whose sum is σ = 126902840400. Its totient is φ = 32121842688.

The previous prime is 64351135427. The next prime is 64351135463. The reversal of 64351135456 is 65453115346.

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 3 ways as a sum of consecutive naturals, for example, 1659441 + ... + 1697776.

It is an arithmetic number, because the mean of its divisors is an integer number (5287618350).

Almost surely, 2^64351135456 is an apocalyptic number.

It is an amenable number.

64351135456 is a deficient number, since it is larger than the sum of its proper divisors (62551704944).

64351135456 is a wasteful number, since it uses less digits than its factorization.

64351135456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357826 (or 3357818 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 64351135456 in words is "sixty-four billion, three hundred fifty-one million, one hundred thirty-five thousand, four hundred fifty-six".