109368749889 has 24 divisors (see below), whose sum is σ = 180778882752. Its totient is φ = 62415551520.

The previous prime is 109368749881. The next prime is 109368749929. The reversal of 109368749889 is 988947863901.

109368749889 is a `hidden beast` number, since 109 + 368 + 74 + 98 + 8 + 9 = 666.

It is not a de Polignac number, because 109368749889 - 2³ = 109368749881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109368749881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074207 + ... + 1171604.

It is an arithmetic number, because the mean of its divisors is an integer number (7532453448).

Almost surely, 2^109368749889 is an apocalyptic number.

It is an amenable number.

109368749889 is a deficient number, since it is larger than the sum of its proper divisors (71410132863).

109368749889 is a wasteful number, since it uses less digits than its factorization.

109368749889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246597 (or 2246594 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 109368749889 in words is "one hundred nine billion, three hundred sixty-eight million, seven hundred forty-nine thousand, eight hundred eighty-nine".