39518129974 has 16 divisors (see below), whose sum is σ = 59490547200. Its totient is φ = 19688062504.

The previous prime is 39518129971. The next prime is 39518130007. The reversal of 39518129974 is 47992181593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39518129971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674979 + ... + 731185.

It is an arithmetic number, because the mean of its divisors is an integer number (3718159200).

Almost surely, 2^39518129974 is an apocalyptic number.

39518129974 is a deficient number, since it is larger than the sum of its proper divisors (19972417226).

39518129974 is a wasteful number, since it uses less digits than its factorization.

39518129974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57467.

The product of its digits is 4898880, while the sum is 58.

The spelling of 39518129974 in words is "thirty-nine billion, five hundred eighteen million, one hundred twenty-nine thousand, nine hundred seventy-four".