397732673443 has 16 divisors (see below), whose sum is σ = 460089342720. Its totient is φ = 336761526816.

The previous prime is 397732673399. The next prime is 397732673461. The reversal of 397732673443 is 344376237793.

It is a cyclic number.

It is not a de Polignac number, because 397732673443 - 2²⁵ = 397699119011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397732073443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762896 + ... + 4845682.

It is an arithmetic number, because the mean of its divisors is an integer number (28755583920).

Almost surely, 2^397732673443 is an apocalyptic number.

397732673443 is a deficient number, since it is larger than the sum of its proper divisors (62356669277).

397732673443 is an equidigital number, since it uses as much as digits as its factorization.

397732673443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91146.

The product of its digits is 48009024, while the sum is 58.

The spelling of 397732673443 in words is "three hundred ninety-seven billion, seven hundred thirty-two million, six hundred seventy-three thousand, four hundred forty-three".