109091775429 has 64 divisors (see below), whose sum is σ = 209383014400. Its totient is φ = 54514316736.

The previous prime is 109091775407. The next prime is 109091775473. The reversal of 109091775429 is 924577190901.

109091775429 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 91 + 7 + 7 + 542 + 9 = 666.

It is not a de Polignac number, because 109091775429 - 2¹⁶ = 109091709893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109091765429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1121749 + ... + 1215114.

It is an arithmetic number, because the mean of its divisors is an integer number (3271609600).

Almost surely, 2^109091775429 is an apocalyptic number.

109091775429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

109091775429 is a deficient number, since it is larger than the sum of its proper divisors (100291238971).

109091775429 is a wasteful number, since it uses less digits than its factorization.

109091775429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336911 (or 2336905 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 109091775429 in words is "one hundred nine billion, ninety-one million, seven hundred seventy-five thousand, four hundred twenty-nine".