39860941989 has 16 divisors (see below), whose sum is σ = 59978848320. Its totient is φ = 23325106560.

The previous prime is 39860941969. The next prime is 39860942027. The reversal of 39860941989 is 98914906893.

It is not a de Polignac number, because 39860941989 - 2¹⁶ = 39860876453 is a prime.

It is a super-2 number, since 2×39860941989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39860941919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20825032 + ... + 20826945.

It is an arithmetic number, because the mean of its divisors is an integer number (3748678020).

Almost surely, 2^39860941989 is an apocalyptic number.

It is an amenable number.

39860941989 is a deficient number, since it is larger than the sum of its proper divisors (20117906331).

39860941989 is a wasteful number, since it uses less digits than its factorization.

39860941989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41652020.

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 39860941989 in words is "thirty-nine billion, eight hundred sixty million, nine hundred forty-one thousand, nine hundred eighty-nine".