398713148522 has 16 divisors (see below), whose sum is σ = 644123781672. Its totient is φ = 184007540160.

The previous prime is 398713148521. The next prime is 398713148527. The reversal of 398713148522 is 225841317893.

It can be written as a sum of positive squares in 4 ways, for example, as 82272022561 + 316441125961 = 286831^2 + 562531^2 .

It is not an unprimeable number, because it can be changed into a prime (398713148521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225113 + ... + 920924.

Almost surely, 2^398713148522 is an apocalyptic number.

398713148522 is a deficient number, since it is larger than the sum of its proper divisors (245410633150).

398713148522 is a wasteful number, since it uses less digits than its factorization.

398713148522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159433.

The product of its digits is 2903040, while the sum is 53.

The spelling of 398713148522 in words is "three hundred ninety-eight billion, seven hundred thirteen million, one hundred forty-eight thousand, five hundred twenty-two".