18574340419 has 2 divisors, whose sum is σ = 18574340420. Its totient is φ = 18574340418.

The previous prime is 18574340381. The next prime is 18574340431. The reversal of 18574340419 is 91404347581.

It is a strong prime.

It is an emirp because it is prime and its reverse (91404347581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18574340419 - 2²⁵ = 18540785987 is a prime.

It is a super-2 number, since 2×18574340419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18574340479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9287170209 + 9287170210.

It is an arithmetic number, because the mean of its divisors is an integer number (9287170210).

Almost surely, 2^18574340419 is an apocalyptic number.

18574340419 is a deficient number, since it is larger than the sum of its proper divisors (1).

18574340419 is an equidigital number, since it uses as much as digits as its factorization.

18574340419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 18574340419 in words is "eighteen billion, five hundred seventy-four million, three hundred forty thousand, four hundred nineteen".