958996813 has 2 divisors, whose sum is σ = 958996814. Its totient is φ = 958996812.

The previous prime is 958996783. The next prime is 958996859. The reversal of 958996813 is 318699859.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958707369 + 289444 = 30963^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 958996813 - 2⁵ = 958996781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (958996013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479498406 + 479498407.

It is an arithmetic number, because the mean of its divisors is an integer number (479498407).

Almost surely, 2^958996813 is an apocalyptic number.

It is an amenable number.

958996813 is a deficient number, since it is larger than the sum of its proper divisors (1).

958996813 is an equidigital number, since it uses as much as digits as its factorization.

958996813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 58.

The square root of 958996813 is about 30967.6736775625. The cubic root of 958996813 is about 986.1410888734.

The spelling of 958996813 in words is "nine hundred fifty-eight million, nine hundred ninety-six thousand, eight hundred thirteen".