39925905083 has 16 divisors (see below), whose sum is σ = 41484665376. Its totient is φ = 38397096960.

The previous prime is 39925905049. The next prime is 39925905119. The reversal of 39925905083 is 38050952993.

It is a happy number.

It is not a de Polignac number, because 39925905083 - 2²² = 39921710779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39925905023) 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, 1542335 + ... + 1568007.

It is an arithmetic number, because the mean of its divisors is an integer number (2592791586).

Almost surely, 2^39925905083 is an apocalyptic number.

39925905083 is a deficient number, since it is larger than the sum of its proper divisors (1558760293).

39925905083 is a wasteful number, since it uses less digits than its factorization.

39925905083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26254.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 39925905083 in words is "thirty-nine billion, nine hundred twenty-five million, nine hundred five thousand, eighty-three".