522713734393 has 16 divisors (see below), whose sum is σ = 576255148560. Its totient is φ = 472098355200.

The previous prime is 522713734391. The next prime is 522713734397. The reversal of 522713734393 is 393437317225.

It can be written as a sum of positive squares in 8 ways, for example, as 193526966889 + 329186767504 = 439917^2 + 573748^2 .

It is a cyclic number.

It is not a de Polignac number, because 522713734393 - 2¹ = 522713734391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522713734391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6104598 + ... + 6189631.

It is an arithmetic number, because the mean of its divisors is an integer number (36015946785).

Almost surely, 2^522713734393 is an apocalyptic number.

It is an amenable number.

522713734393 is a deficient number, since it is larger than the sum of its proper divisors (53541414167).

522713734393 is a wasteful number, since it uses less digits than its factorization.

522713734393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294348.

The product of its digits is 2857680, while the sum is 49.

The spelling of 522713734393 in words is "five hundred twenty-two billion, seven hundred thirteen million, seven hundred thirty-four thousand, three hundred ninety-three".