109398825432 has 144 divisors (see below), whose sum is σ = 321875845200. Its totient is φ = 33551781120.

The previous prime is 109398825421. The next prime is 109398825443. The reversal of 109398825432 is 234528893901.

109398825432 is a `hidden beast` number, since 1 + 0 + 9 + 3 + 98 + 8 + 2 + 543 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (109398825421) and next prime (109398825443).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3769794 + ... + 3798702.

It is an arithmetic number, because the mean of its divisors is an integer number (2235248925).

Almost surely, 2^109398825432 is an apocalyptic number.

109398825432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109398825432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160937922600).

109398825432 is an abundant number, since it is smaller than the sum of its proper divisors (212477019768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109398825432 is a wasteful number, since it uses less digits than its factorization.

109398825432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29258 (or 29238 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 109398825432 in words is "one hundred nine billion, three hundred ninety-eight million, eight hundred twenty-five thousand, four hundred thirty-two".