397358837664769 has 32 divisors (see below), whose sum is σ = 404002034764416. Its totient is φ = 390781220290560.

The previous prime is 397358837664713. The next prime is 397358837664779. The reversal of 397358837664769 is 967466738853793.

It is a cyclic number.

It is not a de Polignac number, because 397358837664769 - 2⁷ = 397358837664641 is a prime.

It is a super-2 number, since 2×397358837664769² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397358837664779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30155479309 + ... + 30155492485.

It is an arithmetic number, because the mean of its divisors is an integer number (12625063586388).

Almost surely, 2^{397358837664769} is an apocalyptic number.

It is an amenable number.

397358837664769 is a deficient number, since it is larger than the sum of its proper divisors (6643197099647).

397358837664769 is a wasteful number, since it uses less digits than its factorization.

397358837664769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185.

The product of its digits is 207398983680, while the sum is 91.

The spelling of 397358837664769 in words is "three hundred ninety-seven trillion, three hundred fifty-eight billion, eight hundred thirty-seven million, six hundred sixty-four thousand, seven hundred sixty-nine".