313652652394 has 4 divisors (see below), whose sum is σ = 470478978594. Its totient is φ = 156826326196.

The previous prime is 313652652367. The next prime is 313652652431. The reversal of 313652652394 is 493256256313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493256256313 = 108553 ⋅4543921.

It can be written as a sum of positive squares in only one way, i.e., 291992171769 + 21660480625 = 540363^2 + 147175^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78413163097 + ... + 78413163100.

Almost surely, 2^313652652394 is an apocalyptic number.

313652652394 is a deficient number, since it is larger than the sum of its proper divisors (156826326200).

313652652394 is a wasteful number, since it uses less digits than its factorization.

313652652394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156826326199.

The product of its digits is 3499200, while the sum is 49.

The spelling of 313652652394 in words is "three hundred thirteen billion, six hundred fifty-two million, six hundred fifty-two thousand, three hundred ninety-four".