344900693218 has 4 divisors (see below), whose sum is σ = 517351039830. Its totient is φ = 172450346608.

The previous prime is 344900693167. The next prime is 344900693219. The reversal of 344900693218 is 812396009443.

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., 342696672409 + 2204020809 = 585403^2 + 46947^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (344900693219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86225173303 + ... + 86225173306.

Almost surely, 2^344900693218 is an apocalyptic number.

344900693218 is a deficient number, since it is larger than the sum of its proper divisors (172450346612).

344900693218 is a wasteful number, since it uses less digits than its factorization.

344900693218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172450346611.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 344900693218 in words is "three hundred forty-four billion, nine hundred million, six hundred ninety-three thousand, two hundred eighteen".