39485334557 has 16 divisors (see below), whose sum is σ = 41867371200. Its totient is φ = 37134599040.

The previous prime is 39485334541. The next prime is 39485334593. The reversal of 39485334557 is 75543358493.

It is a cyclic number.

It is not a de Polignac number, because 39485334557 - 2⁴ = 39485334541 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39485334527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579169 + ... + 1603977.

It is an arithmetic number, because the mean of its divisors is an integer number (2616710700).

Almost surely, 2^39485334557 is an apocalyptic number.

It is an amenable number.

39485334557 is a deficient number, since it is larger than the sum of its proper divisors (2382036643).

39485334557 is a wasteful number, since it uses less digits than its factorization.

39485334557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25436.

The product of its digits is 27216000, while the sum is 56.

The spelling of 39485334557 in words is "thirty-nine billion, four hundred eighty-five million, three hundred thirty-four thousand, five hundred fifty-seven".