397037313842 has 12 divisors (see below), whose sum is σ = 644891968890. Its totient is φ = 183247990848.

The previous prime is 397037313833. The next prime is 397037313877. The reversal of 397037313842 is 248313730793.

It can be written as a sum of positive squares in 3 ways, for example, as 85216702561 + 311820611281 = 291919^2 + 558409^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 587332967 + ... + 587333642.

Almost surely, 2^397037313842 is an apocalyptic number.

397037313842 is a deficient number, since it is larger than the sum of its proper divisors (247854655048).

397037313842 is a wasteful number, since it uses less digits than its factorization.

397037313842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174666637 (or 1174666624 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 397037313842 in words is "three hundred ninety-seven billion, thirty-seven million, three hundred thirteen thousand, eight hundred forty-two".