108918343442 has 16 divisors (see below), whose sum is σ = 167409110232. Its totient is φ = 53116049280.

The previous prime is 108918343423. The next prime is 108918343459. The reversal of 108918343442 is 244343819801.

It can be written as a sum of positive squares in 4 ways, for example, as 50841681361 + 58076662081 = 225481^2 + 240991^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112448 + ... + 480084.

Almost surely, 2^108918343442 is an apocalyptic number.

108918343442 is a deficient number, since it is larger than the sum of its proper divisors (58490766790).

108918343442 is a wasteful number, since it uses less digits than its factorization.

108918343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371293.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 108918343442 in words is "one hundred eight billion, nine hundred eighteen million, three hundred forty-three thousand, four hundred forty-two".