397074507469 has 2 divisors, whose sum is σ = 397074507470. Its totient is φ = 397074507468.

The previous prime is 397074507451. The next prime is 397074507517. The reversal of 397074507469 is 964705470793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225802684969 + 171271822500 = 475187^2 + 413850^2 .

It is a cyclic number.

It is not a de Polignac number, because 397074507469 - 2⁷ = 397074507341 is a prime.

It is a super-2 number, since 2×397074507469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397074507419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198537253734 + 198537253735.

It is an arithmetic number, because the mean of its divisors is an integer number (198537253735).

Almost surely, 2^397074507469 is an apocalyptic number.

It is an amenable number.

397074507469 is a deficient number, since it is larger than the sum of its proper divisors (1).

397074507469 is an equidigital number, since it uses as much as digits as its factorization.

397074507469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40007520, while the sum is 61.

The spelling of 397074507469 in words is "three hundred ninety-seven billion, seventy-four million, five hundred seven thousand, four hundred sixty-nine".