316741509797 has 2 divisors, whose sum is σ = 316741509798. Its totient is φ = 316741509796.

The previous prime is 316741509781. The next prime is 316741509803. The reversal of 316741509797 is 797905147613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180073771201 + 136667738596 = 424351^2 + 369686^2 .

It is a cyclic number.

It is not a de Polignac number, because 316741509797 - 2⁴ = 316741509781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316741509737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158370754898 + 158370754899.

It is an arithmetic number, because the mean of its divisors is an integer number (158370754899).

Almost surely, 2^316741509797 is an apocalyptic number.

It is an amenable number.

316741509797 is a deficient number, since it is larger than the sum of its proper divisors (1).

316741509797 is an equidigital number, since it uses as much as digits as its factorization.

316741509797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10001880, while the sum is 59.

The spelling of 316741509797 in words is "three hundred sixteen billion, seven hundred forty-one million, five hundred nine thousand, seven hundred ninety-seven".