52639378697 has 8 divisors (see below), whose sum is σ = 58159109376. Its totient is φ = 47388903232.

The previous prime is 52639378669. The next prime is 52639378703. The reversal of 52639378697 is 79687393625.

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 52639378697 - 2¹⁴ = 52639362313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52639378607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67313393 + ... + 67314174.

It is an arithmetic number, because the mean of its divisors is an integer number (7269888672).

Almost surely, 2^52639378697 is an apocalyptic number.

It is an amenable number.

52639378697 is a deficient number, since it is larger than the sum of its proper divisors (5519730679).

52639378697 is a wasteful number, since it uses less digits than its factorization.

52639378697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134627607.

The product of its digits is 102876480, while the sum is 65.

The spelling of 52639378697 in words is "fifty-two billion, six hundred thirty-nine million, three hundred seventy-eight thousand, six hundred ninety-seven".