8949937013 has 2 divisors, whose sum is σ = 8949937014. Its totient is φ = 8949937012.

The previous prime is 8949937001. The next prime is 8949937039. The reversal of 8949937013 is 3107399498.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7402537444 + 1547399569 = 86038^2 + 39337^2 .

It is a cyclic number.

It is not a de Polignac number, because 8949937013 - 2⁶ = 8949936949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8949937043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4474968506 + 4474968507.

It is an arithmetic number, because the mean of its divisors is an integer number (4474968507).

Almost surely, 2^8949937013 is an apocalyptic number.

It is an amenable number.

8949937013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8949937013 is an equidigital number, since it uses as much as digits as its factorization.

8949937013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 8949937013 is about 94604.1067448977. The cubic root of 8949937013 is about 2076.2197899326.

The spelling of 8949937013 in words is "eight billion, nine hundred forty-nine million, nine hundred thirty-seven thousand, thirteen".