39479232148079 has 4 divisors (see below), whose sum is σ = 39492665030280. Its totient is φ = 39465799265880.

The previous prime is 39479232148043. The next prime is 39479232148129. The reversal of 39479232148079 is 97084123297493.

It is a happy number.

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 39479232148079 - 2²⁴ = 39479215370863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39479232148009) 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, 6716436692 + ... + 6716442569.

It is an arithmetic number, because the mean of its divisors is an integer number (9873166257570).

Almost surely, 2^{39479232148079} is an apocalyptic number.

39479232148079 is a deficient number, since it is larger than the sum of its proper divisors (13432882201).

39479232148079 is a wasteful number, since it uses less digits than its factorization.

39479232148079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13432882200.

The product of its (nonzero) digits is 164602368, while the sum is 68.

The spelling of 39479232148079 in words is "thirty-nine trillion, four hundred seventy-nine billion, two hundred thirty-two million, one hundred forty-eight thousand, seventy-nine".