8464957913 has 2 divisors, whose sum is σ = 8464957914. Its totient is φ = 8464957912.

The previous prime is 8464957909. The next prime is 8464957931. The reversal of 8464957913 is 3197594648.

Together with next prime (8464957931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4235796889 + 4229161024 = 65083^2 + 65032^2 .

It is a cyclic number.

It is not a de Polignac number, because 8464957913 - 2² = 8464957909 is a prime.

It is a super-2 number, since 2×8464957913² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8464957903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232478956 + 4232478957.

It is an arithmetic number, because the mean of its divisors is an integer number (4232478957).

Almost surely, 2^8464957913 is an apocalyptic number.

It is an amenable number.

8464957913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464957913 is an equidigital number, since it uses as much as digits as its factorization.

8464957913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 8464957913 is about 92005.2059016228. The cubic root of 8464957913 is about 2038.0191839792.

The spelling of 8464957913 in words is "eight billion, four hundred sixty-four million, nine hundred fifty-seven thousand, nine hundred thirteen".