39396565475 has 12 divisors (see below), whose sum is σ = 48860603376. Its totient is φ = 31511534880.

The previous prime is 39396565469. The next prime is 39396565477. The reversal of 39396565475 is 57456569393.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-39396565475 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39396565477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449 + ... + 280701.

It is an arithmetic number, because the mean of its divisors is an integer number (4071716948).

Almost surely, 2^39396565475 is an apocalyptic number.

39396565475 is a deficient number, since it is larger than the sum of its proper divisors (9464037901).

39396565475 is a wasteful number, since it uses less digits than its factorization.

39396565475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285886 (or 285881 counting only the distinct ones).

The product of its digits is 91854000, while the sum is 62.

The spelling of 39396565475 in words is "thirty-nine billion, three hundred ninety-six million, five hundred sixty-five thousand, four hundred seventy-five".