3713105981 has 4 divisors (see below), whose sum is σ = 3998729532. Its totient is φ = 3427482432.

The previous prime is 3713105953. The next prime is 3713105987. The reversal of 3713105981 is 1895013173.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1286656900 + 2426449081 = 35870^2 + 49259^2 .

It is a cyclic number.

It is not a de Polignac number, because 3713105981 - 2¹⁰ = 3713104957 is a prime.

It is a super-2 number, since 2×3713105981² = 27574312052275944722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3713105987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142811756 + ... + 142811781.

It is an arithmetic number, because the mean of its divisors is an integer number (999682383).

Almost surely, 2^3713105981 is an apocalyptic number.

It is an amenable number.

3713105981 is a deficient number, since it is larger than the sum of its proper divisors (285623551).

3713105981 is a wasteful number, since it uses less digits than its factorization.

3713105981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285623550.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 3713105981 is about 60935.2605721843. The cubic root of 3713105981 is about 1548.5044167003.

The spelling of 3713105981 in words is "three billion, seven hundred thirteen million, one hundred five thousand, nine hundred eighty-one".