3989931795734 has 16 divisors (see below), whose sum is σ = 5998728595200. Its totient is φ = 1990355898024.

The previous prime is 3989931795713. The next prime is 3989931795739. The reversal of 3989931795734 is 4375971399893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989931795739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36986327 + ... + 37094045.

It is an arithmetic number, because the mean of its divisors is an integer number (374920537200).

Almost surely, 2^{3989931795734} is an apocalyptic number.

3989931795734 is a deficient number, since it is larger than the sum of its proper divisors (2008796799466).

3989931795734 is a wasteful number, since it uses less digits than its factorization.

3989931795734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150347.

The product of its digits is 1388832480, while the sum is 77.

The spelling of 3989931795734 in words is "three trillion, nine hundred eighty-nine billion, nine hundred thirty-one million, seven hundred ninety-five thousand, seven hundred thirty-four".