18141419 has 2 divisors, whose sum is σ = 18141420. Its totient is φ = 18141418.

The previous prime is 18141413. The next prime is 18141439. The reversal of 18141419 is 91414181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18141419 - 2²⁰ = 17092843 is a prime.

It is a super-2 number, since 2×18141419² = 658222166667122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18141391 and 18141400.

It is not a weakly prime, because it can be changed into another prime (18141413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9070709 + 9070710.

It is an arithmetic number, because the mean of its divisors is an integer number (9070710).

Almost surely, 2^18141419 is an apocalyptic number.

18141419 is a deficient number, since it is larger than the sum of its proper divisors (1).

18141419 is an equidigital number, since it uses as much as digits as its factorization.

18141419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The square root of 18141419 is about 4259.2744687329. The cubic root of 18141419 is about 262.7586879932.

The spelling of 18141419 in words is "eighteen million, one hundred forty-one thousand, four hundred nineteen".