916124813 has 2 divisors, whose sum is σ = 916124814. Its totient is φ = 916124812.

The previous prime is 916124791. The next prime is 916124821. The reversal of 916124813 is 318421619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 856557289 + 59567524 = 29267^2 + 7718^2 .

It is a cyclic number.

It is not a de Polignac number, because 916124813 - 2⁶ = 916124749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916124863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458062406 + 458062407.

It is an arithmetic number, because the mean of its divisors is an integer number (458062407).

Almost surely, 2^916124813 is an apocalyptic number.

It is an amenable number.

916124813 is a deficient number, since it is larger than the sum of its proper divisors (1).

916124813 is an equidigital number, since it uses as much as digits as its factorization.

916124813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 916124813 is about 30267.5537994070. The cubic root of 916124813 is about 971.2213378784.

The spelling of 916124813 in words is "nine hundred sixteen million, one hundred twenty-four thousand, eight hundred thirteen".