397554872241 has 8 divisors (see below), whose sum is σ = 541351315584. Its totient is φ = 259397505200.

The previous prime is 397554872237. The next prime is 397554872243. The reversal of 397554872241 is 142278455793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397554872241 - 2² = 397554872237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397554872243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409768910 + ... + 1409769191.

It is an arithmetic number, because the mean of its divisors is an integer number (67668914448).

Almost surely, 2^397554872241 is an apocalyptic number.

It is an amenable number.

397554872241 is a deficient number, since it is larger than the sum of its proper divisors (143796443343).

397554872241 is a wasteful number, since it uses less digits than its factorization.

397554872241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819538151.

The product of its digits is 16934400, while the sum is 57.

The spelling of 397554872241 in words is "three hundred ninety-seven billion, five hundred fifty-four million, eight hundred seventy-two thousand, two hundred forty-one".