52631689479 has 4 divisors (see below), whose sum is σ = 70175585976. Its totient is φ = 35087792984.

The previous prime is 52631689459. The next prime is 52631689483. The reversal of 52631689479 is 97498613625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52631689479 - 2¹⁵ = 52631656711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52631689459) 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, 8771948244 + ... + 8771948249.

It is an arithmetic number, because the mean of its divisors is an integer number (17543896494).

Almost surely, 2^52631689479 is an apocalyptic number.

52631689479 is a deficient number, since it is larger than the sum of its proper divisors (17543896497).

52631689479 is a wasteful number, since it uses less digits than its factorization.

52631689479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543896496.

The product of its digits is 19595520, while the sum is 60.

The spelling of 52631689479 in words is "fifty-two billion, six hundred thirty-one million, six hundred eighty-nine thousand, four hundred seventy-nine".