397962269793 has 48 divisors (see below), whose sum is σ = 636964361280. Its totient is φ = 237419856000.

The previous prime is 397962269741. The next prime is 397962269821.

397962269793 is a `hidden beast` number, since 397 + 9 + 6 + 226 + 9 + 7 + 9 + 3 = 666.

397962269793 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 397962269793 - 2⁶ = 397962269729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397962269893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1614798 + ... + 1844856.

It is an arithmetic number, because the mean of its divisors is an integer number (13270090860).

Almost surely, 2^397962269793 is an apocalyptic number.

397962269793 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

397962269793 is a deficient number, since it is larger than the sum of its proper divisors (239002091487).

397962269793 is a wasteful number, since it uses less digits than its factorization.

397962269793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230350 (or 230347 counting only the distinct ones).

The product of its digits is 416649744, while the sum is 72.

The spelling of 397962269793 in words is "three hundred ninety-seven billion, nine hundred sixty-two million, two hundred sixty-nine thousand, seven hundred ninety-three".