318460669442 has 4 divisors (see below), whose sum is σ = 477691004166. Its totient is φ = 159230334720.

The previous prime is 318460669393. The next prime is 318460669447. The reversal of 318460669442 is 244966064813.

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., 315631599721 + 2829069721 = 561811^2 + 53189^2 .

It is not an unprimeable number, because it can be changed into a prime (318460669447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79615167359 + ... + 79615167362.

Almost surely, 2^318460669442 is an apocalyptic number.

318460669442 is a deficient number, since it is larger than the sum of its proper divisors (159230334724).

318460669442 is a wasteful number, since it uses less digits than its factorization.

318460669442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159230334723.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 318460669442 in words is "three hundred eighteen billion, four hundred sixty million, six hundred sixty-nine thousand, four hundred forty-two".