64455124792 has 8 divisors (see below), whose sum is σ = 120853359000. Its totient is φ = 32227562392.

The previous prime is 64455124757. The next prime is 64455124801. The reversal of 64455124792 is 29742155446.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×64455124792² (a number of 22 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4028445292 + ... + 4028445307.

It is an arithmetic number, because the mean of its divisors is an integer number (15106669875).

Almost surely, 2^64455124792 is an apocalyptic number.

It is an amenable number.

64455124792 is a deficient number, since it is larger than the sum of its proper divisors (56398234208).

64455124792 is a wasteful number, since it uses less digits than its factorization.

64455124792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056890605 (or 8056890601 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 64455124792 in words is "sixty-four billion, four hundred fifty-five million, one hundred twenty-four thousand, seven hundred ninety-two".