397353473064 has 48 divisors (see below), whose sum is σ = 1076297912820. Its totient is φ = 132434880000.

The previous prime is 397353473051. The next prime is 397353473119. The reversal of 397353473064 is 460374353793.

397353473064 is a `hidden beast` number, since 3 + 9 + 73 + 534 + 7 + 30 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 346146308964 + 51207164100 = 588342^2 + 226290^2 .

It is a super-3 number, since 3×397353473064³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397353473064.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258064 + ... + 928064.

Almost surely, 2^397353473064 is an apocalyptic number.

It is an amenable number.

397353473064 is an abundant number, since it is smaller than the sum of its proper divisors (678944439756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397353473064 is a wasteful number, since it uses less digits than its factorization.

397353473064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678250 (or 678243 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 54.

The spelling of 397353473064 in words is "three hundred ninety-seven billion, three hundred fifty-three million, four hundred seventy-three thousand, sixty-four".