397162242543371 has 2 divisors, whose sum is σ = 397162242543372. Its totient is φ = 397162242543370.

The previous prime is 397162242543359. The next prime is 397162242543511. The reversal of 397162242543371 is 173345242261793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397162242543371 - 2⁶ = 397162242543307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 397162242543371.

It is not a weakly prime, because it can be changed into another prime (397162242543971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198581121271685 + 198581121271686.

It is an arithmetic number, because the mean of its divisors is an integer number (198581121271686).

Almost surely, 2^{397162242543371} is an apocalyptic number.

397162242543371 is a deficient number, since it is larger than the sum of its proper divisors (1).

397162242543371 is an equidigital number, since it uses as much as digits as its factorization.

397162242543371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 59.

The spelling of 397162242543371 in words is "three hundred ninety-seven trillion, one hundred sixty-two billion, two hundred forty-two million, five hundred forty-three thousand, three hundred seventy-one".