52630139845 has 8 divisors (see below), whose sum is σ = 63175578264. Its totient is φ = 42091171584.

The previous prime is 52630139833. The next prime is 52630139851. The reversal of 52630139845 is 54893103625.

It can be written as a sum of positive squares in 4 ways, for example, as 10792300996 + 41837838849 = 103886^2 + 204543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52630139845 - 2⁷ = 52630139717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52630139795 and 52630139804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599624 + ... + 1632193.

It is an arithmetic number, because the mean of its divisors is an integer number (7896947283).

Almost surely, 2^52630139845 is an apocalyptic number.

It is an amenable number.

52630139845 is a deficient number, since it is larger than the sum of its proper divisors (10545438419).

52630139845 is a wasteful number, since it uses less digits than its factorization.

52630139845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235079.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 52630139845 in words is "fifty-two billion, six hundred thirty million, one hundred thirty-nine thousand, eight hundred forty-five".