39428426539 has 4 divisors (see below), whose sum is σ = 39439602760. Its totient is φ = 39417250320.

The previous prime is 39428426501. The next prime is 39428426567. The reversal of 39428426539 is 93562482493.

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 39428426539 - 2⁹ = 39428426027 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 39428426539.

It is not an unprimeable number, because it can be changed into a prime (39428426239) 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, 5582817 + ... + 5589874.

It is an arithmetic number, because the mean of its divisors is an integer number (9859900690).

Almost surely, 2^39428426539 is an apocalyptic number.

39428426539 is a deficient number, since it is larger than the sum of its proper divisors (11176221).

39428426539 is a wasteful number, since it uses less digits than its factorization.

39428426539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176220.

The product of its digits is 11197440, while the sum is 55.

The spelling of 39428426539 in words is "thirty-nine billion, four hundred twenty-eight million, four hundred twenty-six thousand, five hundred thirty-nine".