315869852529 has 135 divisors (see below), whose sum is σ = 604072979433. Its totient is φ = 163885906800.

The previous prime is 315869852471. The next prime is 315869852531. The reversal of 315869852529 is 925258968513.

The square root of 315869852529 is 562023.

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

315869852529 is a `hidden beast` number, since 3 + 1 + 5 + 86 + 9 + 8 + 525 + 29 = 666.

It is not a de Polignac number, because 315869852529 - 2¹⁹ = 315869328241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (315869852629) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 389481534 + ... + 389482344.

Almost surely, 2^315869852529 is an apocalyptic number.

315869852529 is the 562023-rd square number.

315869852529 is the 281012-nd centered octagonal number.

It is an amenable number.

315869852529 is a deficient number, since it is larger than the sum of its proper divisors (288203126904).

315869852529 is an frugal number, since it uses more digits than its factorization.

315869852529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 832 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 63.

The spelling of 315869852529 in words is "three hundred fifteen billion, eight hundred sixty-nine million, eight hundred fifty-two thousand, five hundred twenty-nine".