632537521873013 has 4 divisors (see below), whose sum is σ = 632537622580608. Its totient is φ = 632537421165420.

The previous prime is 632537521873001. The next prime is 632537521873069. The reversal of 632537521873013 is 310378125735236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632537521873013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632537521873013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632537521873913) 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, 40257623 + ... + 53719188.

It is an arithmetic number, because the mean of its divisors is an integer number (158134405645152).

Almost surely, 2^{632537521873013} is an apocalyptic number.

It is an amenable number.

632537521873013 is a deficient number, since it is larger than the sum of its proper divisors (100707595).

632537521873013 is an equidigital number, since it uses as much as digits as its factorization.

632537521873013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100707594.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 632537521873013 in words is "six hundred thirty-two trillion, five hundred thirty-seven billion, five hundred twenty-one million, eight hundred seventy-three thousand, thirteen".