39986348893 has 16 divisors (see below), whose sum is σ = 42083870400. Its totient is φ = 37937289600.

The previous prime is 39986348887. The next prime is 39986348903. The reversal of 39986348893 is 39884368993.

It is not a de Polignac number, because 39986348893 - 2²⁹ = 39449477981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39986348093) 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, 7185130 + ... + 7190692.

It is an arithmetic number, because the mean of its divisors is an integer number (2630241900).

Almost surely, 2^39986348893 is an apocalyptic number.

It is an amenable number.

39986348893 is a deficient number, since it is larger than the sum of its proper divisors (2097521507).

39986348893 is a wasteful number, since it uses less digits than its factorization.

39986348893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9852.

The product of its digits is 241864704, while the sum is 70.

The spelling of 39986348893 in words is "thirty-nine billion, nine hundred eighty-six million, three hundred forty-eight thousand, eight hundred ninety-three".