315436953698 has 4 divisors (see below), whose sum is σ = 473155430550. Its totient is φ = 157718476848.

The previous prime is 315436953697. The next prime is 315436953719. The reversal of 315436953698 is 896359634513.

It is a happy number.

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., 271631719489 + 43805234209 = 521183^2 + 209297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315436953698.

It is not an unprimeable number, because it can be changed into a prime (315436953697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78859238423 + ... + 78859238426.

Almost surely, 2^315436953698 is an apocalyptic number.

315436953698 is a deficient number, since it is larger than the sum of its proper divisors (157718476852).

315436953698 is a wasteful number, since it uses less digits than its factorization.

315436953698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157718476851.

The product of its digits is 62985600, while the sum is 62.

The spelling of 315436953698 in words is "three hundred fifteen billion, four hundred thirty-six million, nine hundred fifty-three thousand, six hundred ninety-eight".