3989431534941 has 6 divisors (see below), whose sum is σ = 5762512217150. Its totient is φ = 2659621023288.

The previous prime is 3989431534939. The next prime is 3989431534943. The reversal of 3989431534941 is 1494351349893.

It is a happy number.

3989431534941 is a `hidden beast` number, since 3 + 9 + 8 + 9 + 4 + 3 + 1 + 534 + 94 + 1 = 666.

3989431534941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3989431534939) and next prime (3989431534943).

It can be written as a sum of positive squares in only one way, i.e., 3867476228100 + 121955306841 = 1966590^2 + 349221^2 .

It is not a de Polignac number, because 3989431534941 - 2¹ = 3989431534939 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989431534943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221635085266 + ... + 221635085283.

Almost surely, 2^{3989431534941} is an apocalyptic number.

It is an amenable number.

3989431534941 is a deficient number, since it is larger than the sum of its proper divisors (1773080682209).

3989431534941 is a wasteful number, since it uses less digits than its factorization.

3989431534941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443270170555 (or 443270170552 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 3989431534941 in words is "three trillion, nine hundred eighty-nine billion, four hundred thirty-one million, five hundred thirty-four thousand, nine hundred forty-one".