397567623139 has 4 divisors (see below), whose sum is σ = 397798634520. Its totient is φ = 397336611760.

The previous prime is 397567623127. The next prime is 397567623149. The reversal of 397567623139 is 931326765793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397567623139 - 2¹⁷ = 397567492067 is a prime.

It is a super-3 number, since 3×397567623139³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397567623109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115503109 + ... + 115506550.

It is an arithmetic number, because the mean of its divisors is an integer number (99449658630).

Almost surely, 2^397567623139 is an apocalyptic number.

397567623139 is a deficient number, since it is larger than the sum of its proper divisors (231011381).

397567623139 is a wasteful number, since it uses less digits than its factorization.

397567623139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231011380.

The product of its digits is 38578680, while the sum is 61.

The spelling of 397567623139 in words is "three hundred ninety-seven billion, five hundred sixty-seven million, six hundred twenty-three thousand, one hundred thirty-nine".