109413919 has 2 divisors, whose sum is σ = 109413920. Its totient is φ = 109413918.

The previous prime is 109413893. The next prime is 109413923. The reversal of 109413919 is 919314901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109413919 is a prime.

It is a super-2 number, since 2×109413919² = 23942811341877122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109413019) 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 as a sum of consecutive naturals, namely, 54706959 + 54706960.

It is an arithmetic number, because the mean of its divisors is an integer number (54706960).

Almost surely, 2^109413919 is an apocalyptic number.

109413919 is a deficient number, since it is larger than the sum of its proper divisors (1).

109413919 is an equidigital number, since it uses as much as digits as its factorization.

109413919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 109413919 is about 10460.1108502731. The cubic root of 109413919 is about 478.2895122950.

The spelling of 109413919 in words is "one hundred nine million, four hundred thirteen thousand, nine hundred nineteen".