397261133589 has 16 divisors (see below), whose sum is σ = 534450743424. Its totient is φ = 262456857600.

The previous prime is 397261133573. The next prime is 397261133629. The reversal of 397261133589 is 985331162793.

It is not a de Polignac number, because 397261133589 - 2⁴ = 397261133573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397261133569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215869 + ... + 2388429.

It is an arithmetic number, because the mean of its divisors is an integer number (33403171464).

Almost surely, 2^397261133589 is an apocalyptic number.

It is an amenable number.

397261133589 is a deficient number, since it is larger than the sum of its proper divisors (137189609835).

397261133589 is a wasteful number, since it uses less digits than its factorization.

397261133589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179468.

The product of its digits is 7348320, while the sum is 57.

The spelling of 397261133589 in words is "three hundred ninety-seven billion, two hundred sixty-one million, one hundred thirty-three thousand, five hundred eighty-nine".