8979131941 has 4 divisors (see below), whose sum is σ = 9669834412. Its totient is φ = 8288429472.

The previous prime is 8979131923. The next prime is 8979132013. The reversal of 8979131941 is 1491319798.

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 1676574916 + 7302557025 = 40946^2 + 85455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8979131941 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 (8979131141) 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, 345351216 + ... + 345351241.

It is an arithmetic number, because the mean of its divisors is an integer number (2417458603).

Almost surely, 2^8979131941 is an apocalyptic number.

It is an amenable number.

8979131941 is a deficient number, since it is larger than the sum of its proper divisors (690702471).

8979131941 is a wasteful number, since it uses less digits than its factorization.

8979131941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690702470.

The product of its digits is 489888, while the sum is 52.

The square root of 8979131941 is about 94758.2816486243. The cubic root of 8979131941 is about 2078.4749006685.

The spelling of 8979131941 in words is "eight billion, nine hundred seventy-nine million, one hundred thirty-one thousand, nine hundred forty-one".