315295876684729 has 2 divisors, whose sum is σ = 315295876684730. Its totient is φ = 315295876684728.

The previous prime is 315295876684717. The next prime is 315295876684807. The reversal of 315295876684729 is 927486678592513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293149186560000 + 22146690124729 = 17121600^2 + 4706027^2 .

It is a cyclic number.

It is not a de Polignac number, because 315295876684729 - 2¹³ = 315295876676537 is a prime.

It is a super-2 number, since 2×315295876684729² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315295876684829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157647938342364 + 157647938342365.

It is an arithmetic number, because the mean of its divisors is an integer number (157647938342365).

Almost surely, 2^{315295876684729} is an apocalyptic number.

It is an amenable number.

315295876684729 is a deficient number, since it is larger than the sum of its proper divisors (1).

315295876684729 is an equidigital number, since it uses as much as digits as its factorization.

315295876684729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10973491200, while the sum is 82.

The spelling of 315295876684729 in words is "three hundred fifteen trillion, two hundred ninety-five billion, eight hundred seventy-six million, six hundred eighty-four thousand, seven hundred twenty-nine".