297613970813 has 2 divisors, whose sum is σ = 297613970814. Its totient is φ = 297613970812.

The previous prime is 297613970809. The next prime is 297613970833. The reversal of 297613970813 is 318079316792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230067000409 + 67546970404 = 479653^2 + 259898^2 .

It is a cyclic number.

It is not a de Polignac number, because 297613970813 - 2² = 297613970809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297613970833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148806985406 + 148806985407.

It is an arithmetic number, because the mean of its divisors is an integer number (148806985407).

Almost surely, 2^297613970813 is an apocalyptic number.

It is an amenable number.

297613970813 is a deficient number, since it is larger than the sum of its proper divisors (1).

297613970813 is an equidigital number, since it uses as much as digits as its factorization.

297613970813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 297613970813 in words is "two hundred ninety-seven billion, six hundred thirteen million, nine hundred seventy thousand, eight hundred thirteen".