397025187334 has 4 divisors (see below), whose sum is σ = 595537781004. Its totient is φ = 198512593666.

The previous prime is 397025187331. The next prime is 397025187347. The reversal of 397025187334 is 433781520793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433781520793 = 414031 ⋅1047703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397025187331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99256296832 + ... + 99256296835.

It is an arithmetic number, because the mean of its divisors is an integer number (148884445251).

Almost surely, 2^397025187334 is an apocalyptic number.

397025187334 is a deficient number, since it is larger than the sum of its proper divisors (198512593670).

397025187334 is a wasteful number, since it uses less digits than its factorization.

397025187334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198512593669.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 397025187334 in words is "three hundred ninety-seven billion, twenty-five million, one hundred eighty-seven thousand, three hundred thirty-four".