52429939669 has 4 divisors (see below), whose sum is σ = 52581034944. Its totient is φ = 52278844396.

The previous prime is 52429939643. The next prime is 52429939741. The reversal of 52429939669 is 96693992425.

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 not a de Polignac number, because 52429939669 - 2⁹ = 52429939157 is a prime.

It is a super-2 number, since 2×52429939669² (a number of 22 digits) contains 22 as substring.

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 52429939669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52429937669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75547117 + ... + 75547810.

It is an arithmetic number, because the mean of its divisors is an integer number (13145258736).

Almost surely, 2^52429939669 is an apocalyptic number.

It is an amenable number.

52429939669 is a deficient number, since it is larger than the sum of its proper divisors (151095275).

52429939669 is a wasteful number, since it uses less digits than its factorization.

52429939669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151095274.

The product of its digits is 56687040, while the sum is 64.

The spelling of 52429939669 in words is "fifty-two billion, four hundred twenty-nine million, nine hundred thirty-nine thousand, six hundred sixty-nine".