18190424671 has 2 divisors, whose sum is σ = 18190424672. Its totient is φ = 18190424670.

The previous prime is 18190424641. The next prime is 18190424717. The reversal of 18190424671 is 17642409181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18190424671 - 2²³ = 18182036063 is a prime.

It is a super-2 number, since 2×18190424671² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18190424641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9095212335 + 9095212336.

It is an arithmetic number, because the mean of its divisors is an integer number (9095212336).

Almost surely, 2^18190424671 is an apocalyptic number.

18190424671 is a deficient number, since it is larger than the sum of its proper divisors (1).

18190424671 is an equidigital number, since it uses as much as digits as its factorization.

18190424671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 18190424671 in words is "eighteen billion, one hundred ninety million, four hundred twenty-four thousand, six hundred seventy-one".