315986764129 has 9 divisors (see below), whose sum is σ = 316838425683. Its totient is φ = 315137390232.

The previous prime is 315986764117. The next prime is 315986764133. The reversal of 315986764129 is 921467689513.

The square root of 315986764129 is 562127.

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

It can be written as a sum of positive squares in only one way, i.e., 18250659025 + 297736105104 = 135095^2 + 545652^2 .

It is not a de Polignac number, because 315986764129 - 2¹⁷ = 315986633057 is a prime.

It is a super-2 number, since 2×315986764129² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

Its product of digits (19595520) is a multiple of the sum of its prime divisors (1512).

It is not an unprimeable number, because it can be changed into a prime (315986764109) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 370441267 + ... + 370442119.

Almost surely, 2^315986764129 is an apocalyptic number.

315986764129 is the 562127-th square number.

315986764129 is the 281064-th centered octagonal number.

It is an amenable number.

315986764129 is a deficient number, since it is larger than the sum of its proper divisors (851661554).

315986764129 is an frugal number, since it uses more digits than its factorization.

315986764129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 1512 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 61.

The spelling of 315986764129 in words is "three hundred fifteen billion, nine hundred eighty-six million, seven hundred sixty-four thousand, one hundred twenty-nine".