52398432129 has 4 divisors (see below), whose sum is σ = 69864576176. Its totient is φ = 34932288084.

The previous prime is 52398432103. The next prime is 52398432157. The reversal of 52398432129 is 92123489325.

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 not a de Polignac number, because 52398432129 - 2⁸ = 52398431873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52398432179) 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, 8733072019 + ... + 8733072024.

It is an arithmetic number, because the mean of its divisors is an integer number (17466144044).

Almost surely, 2^52398432129 is an apocalyptic number.

It is an amenable number.

52398432129 is a deficient number, since it is larger than the sum of its proper divisors (17466144047).

52398432129 is a wasteful number, since it uses less digits than its factorization.

52398432129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17466144046.

The product of its digits is 933120, while the sum is 48.

The spelling of 52398432129 in words is "fifty-two billion, three hundred ninety-eight million, four hundred thirty-two thousand, one hundred twenty-nine".