39982351893 has 16 divisors (see below), whose sum is σ = 58242593856. Its totient is φ = 24195709440.

The previous prime is 39982351861. The next prime is 39982351919. The reversal of 39982351893 is 39815328993.

It is not a de Polignac number, because 39982351893 - 2⁵ = 39982351861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39982351693) 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, 877930 + ... + 922347.

It is an arithmetic number, because the mean of its divisors is an integer number (3640162116).

Almost surely, 2^39982351893 is an apocalyptic number.

39982351893 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39982351893 is a deficient number, since it is larger than the sum of its proper divisors (18260241963).

39982351893 is a wasteful number, since it uses less digits than its factorization.

39982351893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800964.

The product of its digits is 12597120, while the sum is 60.

The spelling of 39982351893 in words is "thirty-nine billion, nine hundred eighty-two million, three hundred fifty-one thousand, eight hundred ninety-three".