397162261793 has 8 divisors (see below), whose sum is σ = 441442789056. Its totient is φ = 354244212400.

The previous prime is 397162261723. The next prime is 397162261819.

397162261793 is nontrivially palindromic in base 10.

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 397162261793 - 2¹⁸ = 397161999649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397162261723) 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, 340618853 + ... + 340620018.

It is an arithmetic number, because the mean of its divisors is an integer number (55180348632).

Almost surely, 2^397162261793 is an apocalyptic number.

It is an amenable number.

397162261793 is a deficient number, since it is larger than the sum of its proper divisors (44280527263).

397162261793 is a wasteful number, since it uses less digits than its factorization.

397162261793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681238935.

The product of its digits is 5143824, while the sum is 56.

The spelling of 397162261793 in words is "three hundred ninety-seven billion, one hundred sixty-two million, two hundred sixty-one thousand, seven hundred ninety-three".