522968399386 has 8 divisors (see below), whose sum is σ = 785046435444. Its totient is φ = 261286254240.

The previous prime is 522968399383. The next prime is 522968399411. The reversal of 522968399386 is 683993869225.

It can be written as a sum of positive squares in 2 ways, for example, as 506845748761 + 16122650625 = 711931^2 + 126975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (522968399383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98969425 + ... + 98974708.

Almost surely, 2^522968399386 is an apocalyptic number.

522968399386 is a deficient number, since it is larger than the sum of its proper divisors (262078036058).

522968399386 is a wasteful number, since it uses less digits than its factorization.

522968399386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197945456.

The product of its digits is 302330880, while the sum is 70.

The spelling of 522968399386 in words is "five hundred twenty-two billion, nine hundred sixty-eight million, three hundred ninety-nine thousand, three hundred eighty-six".