315625315455434 has 4 divisors (see below), whose sum is σ = 473437973183154. Its totient is φ = 157812657727716.

The previous prime is 315625315455419. The next prime is 315625315455517. The reversal of 315625315455434 is 434554513526513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 297047465554225 + 18577849901209 = 17235065^2 + 4310203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315625315455434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78906328863857 + ... + 78906328863860.

Almost surely, 2^{315625315455434} is an apocalyptic number.

315625315455434 is a deficient number, since it is larger than the sum of its proper divisors (157812657727720).

315625315455434 is a wasteful number, since it uses less digits than its factorization.

315625315455434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157812657727719.

The product of its digits is 64800000, while the sum is 56.

The spelling of 315625315455434 in words is "three hundred fifteen trillion, six hundred twenty-five billion, three hundred fifteen million, four hundred fifty-five thousand, four hundred thirty-four".