109898499 has 4 divisors (see below), whose sum is σ = 146531336. Its totient is φ = 73265664.

The previous prime is 109898483. The next prime is 109898501. The reversal of 109898499 is 994898901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994898901 = 3 ⋅331632967.

It is not a de Polignac number, because 109898499 - 2⁴ = 109898483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109898419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18316414 + ... + 18316419.

It is an arithmetic number, because the mean of its divisors is an integer number (36632834).

Almost surely, 2^109898499 is an apocalyptic number.

109898499 is a deficient number, since it is larger than the sum of its proper divisors (36632837).

109898499 is an equidigital number, since it uses as much as digits as its factorization.

109898499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36632836.

The product of its (nonzero) digits is 1679616, while the sum is 57.

The square root of 109898499 is about 10483.2484946223. The cubic root of 109898499 is about 478.9945664428.

The spelling of 109898499 in words is "one hundred nine million, eight hundred ninety-eight thousand, four hundred ninety-nine".