315861442859 has 8 divisors (see below), whose sum is σ = 318721950960. Its totient is φ = 313009336800.

The previous prime is 315861442801. The next prime is 315861442877. The reversal of 315861442859 is 958244168513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315861442859 - 2²⁸ = 315593007403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315861442889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024972 + ... + 2175369.

It is an arithmetic number, because the mean of its divisors is an integer number (39840243870).

Almost surely, 2^315861442859 is an apocalyptic number.

315861442859 is a deficient number, since it is larger than the sum of its proper divisors (2860508101).

315861442859 is a wasteful number, since it uses less digits than its factorization.

315861442859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201021.

The product of its digits is 8294400, while the sum is 56.

The spelling of 315861442859 in words is "three hundred fifteen billion, eight hundred sixty-one million, four hundred forty-two thousand, eight hundred fifty-nine".