397045540793 has 8 divisors (see below), whose sum is σ = 433797867360. Its totient is φ = 360402760480.

The previous prime is 397045540789. The next prime is 397045540841.

397045540793 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 397045540793 - 2² = 397045540789 is a prime.

It is a super-2 number, since 2×397045540793² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (397045540753) 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, 27378980 + ... + 27393477.

It is an arithmetic number, because the mean of its divisors is an integer number (54224733420).

Almost surely, 2^397045540793 is an apocalyptic number.

It is an amenable number.

397045540793 is a deficient number, since it is larger than the sum of its proper divisors (36752326567).

397045540793 is a wasteful number, since it uses less digits than its factorization.

397045540793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54773127.

The product of its (nonzero) digits is 14288400, while the sum is 56.

The spelling of 397045540793 in words is "three hundred ninety-seven billion, forty-five million, five hundred forty thousand, seven hundred ninety-three".