39444209079 has 12 divisors (see below), whose sum is σ = 57808042488. Its totient is φ = 23905581040.

The previous prime is 39444209069. The next prime is 39444209093. The reversal of 39444209079 is 97090244493.

It is not a de Polignac number, because 39444209079 - 2¹⁷ = 39444078007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39444209029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54330504 + ... + 54331229.

It is an arithmetic number, because the mean of its divisors is an integer number (4817336874).

Almost surely, 2^39444209079 is an apocalyptic number.

39444209079 is a deficient number, since it is larger than the sum of its proper divisors (18363833409).

39444209079 is a wasteful number, since it uses less digits than its factorization.

39444209079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108661758 (or 108661747 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 39444209079 in words is "thirty-nine billion, four hundred forty-four million, two hundred nine thousand, seventy-nine".