39479371073 has 4 divisors (see below), whose sum is σ = 40546381140. Its totient is φ = 38412361008.

The previous prime is 39479371037. The next prime is 39479371117. The reversal of 39479371073 is 37017397493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17482921729 + 21996449344 = 132223^2 + 148312^2 .

It is a cyclic number.

It is not a de Polignac number, because 39479371073 - 2²⁰ = 39478322497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39479371273) 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, 533504978 + ... + 533505051.

It is an arithmetic number, because the mean of its divisors is an integer number (10136595285).

Almost surely, 2^39479371073 is an apocalyptic number.

It is an amenable number.

39479371073 is a deficient number, since it is larger than the sum of its proper divisors (1067010067).

39479371073 is a wasteful number, since it uses less digits than its factorization.

39479371073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067010066.

The product of its (nonzero) digits is 3000564, while the sum is 53.

The spelling of 39479371073 in words is "thirty-nine billion, four hundred seventy-nine million, three hundred seventy-one thousand, seventy-three".