64824712507 has 4 divisors (see below), whose sum is σ = 64825321896. Its totient is φ = 64824103120.

The previous prime is 64824712493. The next prime is 64824712517. The reversal of 64824712507 is 70521742846.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64824712507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64824712517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98713 + ... + 373354.

It is an arithmetic number, because the mean of its divisors is an integer number (16206330474).

Almost surely, 2^64824712507 is an apocalyptic number.

64824712507 is a deficient number, since it is larger than the sum of its proper divisors (609389).

64824712507 is a wasteful number, since it uses less digits than its factorization.

64824712507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609388.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 64824712507 in words is "sixty-four billion, eight hundred twenty-four million, seven hundred twelve thousand, five hundred seven".