8942974013 has 2 divisors, whose sum is σ = 8942974014.
Its totient is φ = 8942974012.
The previous prime is 8942974003. The next prime is 8942974039. The reversal of 8942974013 is 3104792498.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6472685209 + 2470288804 = 80453^2 + 49702^2
It is a cyclic number.
It is not a de Polignac number, because 8942974013 - 210 = 8942972989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8942974003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471487006 + 4471487007.
It is an arithmetic number, because the mean of its divisors is an integer number (4471487007).
Almost surely, 28942974013 is an apocalyptic number.
It is an amenable number.
8942974013 is a deficient number, since it is larger than the sum of its proper divisors (1).
8942974013 is an equidigital number, since it uses as much as digits as its factorization.
8942974013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 8942974013 is about 94567.2988564229.
The cubic root of 8942974013 is about 2075.6812211852.
The spelling of 8942974013 in words is "eight billion, nine hundred forty-two million, nine hundred seventy-four thousand, thirteen".