39834631964 has 12 divisors (see below), whose sum is σ = 69713772744. Its totient is φ = 19916411184.

The previous prime is 39834631961. The next prime is 39834631979. The reversal of 39834631964 is 46913643893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39834631961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121787 + ... + 307410.

It is an arithmetic number, because the mean of its divisors is an integer number (5809481062).

Almost surely, 2^39834631964 is an apocalyptic number.

It is an amenable number.

39834631964 is a deficient number, since it is larger than the sum of its proper divisors (29879140780).

39834631964 is a wasteful number, since it uses less digits than its factorization.

39834631964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452404 (or 452402 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 56.

The spelling of 39834631964 in words is "thirty-nine billion, eight hundred thirty-four million, six hundred thirty-one thousand, nine hundred sixty-four".