397539274948 has 6 divisors (see below), whose sum is σ = 695693731166. Its totient is φ = 198769637472.

The previous prime is 397539274943. The next prime is 397539274987. The reversal of 397539274948 is 849472935793.

It can be written as a sum of positive squares in only one way, i.e., 256848267204 + 140691007744 = 506802^2 + 375088^2 .

It is not an unprimeable number, because it can be changed into a prime (397539274943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49692409365 + ... + 49692409372.

Almost surely, 2^397539274948 is an apocalyptic number.

It is an amenable number.

397539274948 is a deficient number, since it is larger than the sum of its proper divisors (298154456218).

397539274948 is a wasteful number, since it uses less digits than its factorization.

397539274948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99384818741 (or 99384818739 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 70.

The spelling of 397539274948 in words is "three hundred ninety-seven billion, five hundred thirty-nine million, two hundred seventy-four thousand, nine hundred forty-eight".