523964613316 has 9 divisors (see below), whose sum is σ = 916940606799. Its totient is φ = 261981582804.

The previous prime is 523964613313. The next prime is 523964613329. The reversal of 523964613316 is 613316469325.

It is a happy number.

The square root of 523964613316 is 723854.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523964613316.

It is not an unprimeable number, because it can be changed into a prime (523964613313) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1266745 + ... + 1628671.

Almost surely, 2^523964613316 is an apocalyptic number.

523964613316 is the 723854-th square number.

It is an amenable number.

523964613316 is a deficient number, since it is larger than the sum of its proper divisors (392975993483).

523964613316 is an frugal number, since it uses more digits than its factorization.

523964613316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723858 (or 361929 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 49.

Multiplying 523964613316 by its sum of digits (49), we get a square (25674266052484 = 5066978²).

The spelling of 523964613316 in words is "five hundred twenty-three billion, nine hundred sixty-four million, six hundred thirteen thousand, three hundred sixteen".