397043589239 has 16 divisors (see below), whose sum is σ = 441337243680. Its totient is φ = 354145920000.

The previous prime is 397043589223. The next prime is 397043589251. The reversal of 397043589239 is 932985340793.

It is a cyclic number.

It is not a de Polignac number, because 397043589239 - 2⁴ = 397043589223 is a prime.

It is a super-2 number, since 2×397043589239² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397043582239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468734 + ... + 1006875.

It is an arithmetic number, because the mean of its divisors is an integer number (27583577730).

Almost surely, 2^397043589239 is an apocalyptic number.

397043589239 is a deficient number, since it is larger than the sum of its proper divisors (44293654441).

397043589239 is a wasteful number, since it uses less digits than its factorization.

397043589239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476082.

The product of its (nonzero) digits is 44089920, while the sum is 62.

The spelling of 397043589239 in words is "three hundred ninety-seven billion, forty-three million, five hundred eighty-nine thousand, two hundred thirty-nine".