318653344354 has 4 divisors (see below), whose sum is σ = 477980016534. Its totient is φ = 159326672176.

The previous prime is 318653344279. The next prime is 318653344357. The reversal of 318653344354 is 453443356813.

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., 259261217329 + 59392127025 = 509177^2 + 243705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 318653344298 and 318653344307.

It is not an unprimeable number, because it can be changed into a prime (318653344357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79663336087 + ... + 79663336090.

Almost surely, 2^318653344354 is an apocalyptic number.

318653344354 is a deficient number, since it is larger than the sum of its proper divisors (159326672180).

318653344354 is a wasteful number, since it uses less digits than its factorization.

318653344354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159326672179.

The product of its digits is 6220800, while the sum is 49.

The spelling of 318653344354 in words is "three hundred eighteen billion, six hundred fifty-three million, three hundred forty-four thousand, three hundred fifty-four".