634652488523 has 4 divisors (see below), whose sum is σ = 634654086720. Its totient is φ = 634650890328.

The previous prime is 634652488517. The next prime is 634652488529. The reversal of 634652488523 is 325884256436.

634652488523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (634652488517) and next prime (634652488529).

It is a cyclic number.

It is not a de Polignac number, because 634652488523 - 2¹⁸ = 634652226379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634652488529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305813 + ... + 1167401.

It is an arithmetic number, because the mean of its divisors is an integer number (158663521680).

Almost surely, 2^634652488523 is an apocalyptic number.

634652488523 is a deficient number, since it is larger than the sum of its proper divisors (1598197).

634652488523 is an equidigital number, since it uses as much as digits as its factorization.

634652488523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598196.

The product of its digits is 33177600, while the sum is 56.

The spelling of 634652488523 in words is "six hundred thirty-four billion, six hundred fifty-two million, four hundred eighty-eight thousand, five hundred twenty-three".