109898419 has 2 divisors, whose sum is σ = 109898420. Its totient is φ = 109898418.

The previous prime is 109898339. The next prime is 109898443. The reversal of 109898419 is 914898901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109898419 is a prime.

It is a super-2 number, since 2×109898419² = 24155324997399122, which contains 22 as substring.

It is equal to p_6297799 and since 109898419 and 6297799 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (109898119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54949209 + 54949210.

It is an arithmetic number, because the mean of its divisors is an integer number (54949210).

Almost surely, 2^109898419 is an apocalyptic number.

109898419 is a deficient number, since it is larger than the sum of its proper divisors (1).

109898419 is an equidigital number, since it uses as much as digits as its factorization.

109898419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 109898419 is about 10483.2446790104. The cubic root of 109898419 is about 478.9944502156.

The spelling of 109898419 in words is "one hundred nine million, eight hundred ninety-eight thousand, four hundred nineteen".