39547993852 has 12 divisors (see below), whose sum is σ = 69215164816. Its totient is φ = 19772232480.

The previous prime is 39547993831. The next prime is 39547993853. The reversal of 39547993852 is 25839974593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39547993853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390024 + ... + 480847.

Almost surely, 2^39547993852 is an apocalyptic number.

It is an amenable number.

39547993852 is a deficient number, since it is larger than the sum of its proper divisors (29667170964).

39547993852 is a wasteful number, since it uses less digits than its factorization.

39547993852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882228 (or 882226 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 64.

The spelling of 39547993852 in words is "thirty-nine billion, five hundred forty-seven million, nine hundred ninety-three thousand, eight hundred fifty-two".