109499903 has 2 divisors, whose sum is σ = 109499904. Its totient is φ = 109499902.

The previous prime is 109499899. The next prime is 109499917. The reversal of 109499903 is 309994901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109499903 - 2² = 109499899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109499933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54749951 + 54749952.

It is an arithmetic number, because the mean of its divisors is an integer number (54749952).

Almost surely, 2^109499903 is an apocalyptic number.

109499903 is a deficient number, since it is larger than the sum of its proper divisors (1).

109499903 is an equidigital number, since it uses as much as digits as its factorization.

109499903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 109499903 is about 10464.2201333879. The cubic root of 109499903 is about 478.4147689887.

The spelling of 109499903 in words is "one hundred nine million, four hundred ninety-nine thousand, nine hundred three".