52689763479 has 16 divisors (see below), whose sum is σ = 70408396800. Its totient is φ = 35048893440.

The previous prime is 52689763471. The next prime is 52689763507. The reversal of 52689763479 is 97436798625.

It is not a de Polignac number, because 52689763479 - 2³ = 52689763471 is a prime.

It is a super-2 number, since 2×52689763479² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52689763471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3259114 + ... + 3275240.

It is an arithmetic number, because the mean of its divisors is an integer number (4400524800).

Almost surely, 2^52689763479 is an apocalyptic number.

52689763479 is a deficient number, since it is larger than the sum of its proper divisors (17718633321).

52689763479 is a wasteful number, since it uses less digits than its factorization.

52689763479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470.

The product of its digits is 137168640, while the sum is 66.

The spelling of 52689763479 in words is "fifty-two billion, six hundred eighty-nine million, seven hundred sixty-three thousand, four hundred seventy-nine".