52429439989 has 16 divisors (see below), whose sum is σ = 53927778240. Its totient is φ = 50941939840.

The previous prime is 52429439983. The next prime is 52429440013. The reversal of 52429439989 is 98993492425.

52429439989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52429439989 - 2⁷ = 52429439861 is a prime.

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 52429439989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52429439983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15776082 + ... + 15779404.

It is an arithmetic number, because the mean of its divisors is an integer number (3370486140).

Almost surely, 2^52429439989 is an apocalyptic number.

It is an amenable number.

52429439989 is a deficient number, since it is larger than the sum of its proper divisors (1498338251).

52429439989 is a wasteful number, since it uses less digits than its factorization.

52429439989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820.

The product of its digits is 50388480, while the sum is 64.

The spelling of 52429439989 in words is "fifty-two billion, four hundred twenty-nine million, four hundred thirty-nine thousand, nine hundred eighty-nine".