397039772659 has 2 divisors, whose sum is σ = 397039772660. Its totient is φ = 397039772658.

The previous prime is 397039772627. The next prime is 397039772669. The reversal of 397039772659 is 956277930793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397039772659 - 2⁵ = 397039772627 is a prime.

It is a super-2 number, since 2×397039772659² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397039772594 and 397039772603.

It is not a weakly prime, because it can be changed into another prime (397039772609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198519886329 + 198519886330.

It is an arithmetic number, because the mean of its divisors is an integer number (198519886330).

Almost surely, 2^397039772659 is an apocalyptic number.

397039772659 is a deficient number, since it is larger than the sum of its proper divisors (1).

397039772659 is an equidigital number, since it uses as much as digits as its factorization.

397039772659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135025380, while the sum is 67.

The spelling of 397039772659 in words is "three hundred ninety-seven billion, thirty-nine million, seven hundred seventy-two thousand, six hundred fifty-nine".