109387718494 has 16 divisors (see below), whose sum is σ = 168181337520. Its totient is φ = 53328824640.

The previous prime is 109387718483. The next prime is 109387718513. The reversal of 109387718494 is 494817783901.

It is a congruent number.

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, 245829 + ... + 528400.

It is an arithmetic number, because the mean of its divisors is an integer number (10511333595).

Almost surely, 2^109387718494 is an apocalyptic number.

109387718494 is a deficient number, since it is larger than the sum of its proper divisors (58793619026).

109387718494 is a wasteful number, since it uses less digits than its factorization.

109387718494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775995.

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 109387718494 in words is "one hundred nine billion, three hundred eighty-seven million, seven hundred eighteen thousand, four hundred ninety-four".