18952079 has 2 divisors, whose sum is σ = 18952080. Its totient is φ = 18952078.

The previous prime is 18952049. The next prime is 18952081. The reversal of 18952079 is 97025981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18952079 - 2²⁰ = 17903503 is a prime.

Together with 18952081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18952049) 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, 9476039 + 9476040.

It is an arithmetic number, because the mean of its divisors is an integer number (9476040).

Almost surely, 2^18952079 is an apocalyptic number.

18952079 is a deficient number, since it is larger than the sum of its proper divisors (1).

18952079 is an equidigital number, since it uses as much as digits as its factorization.

18952079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 18952079 is about 4353.3985574491. The cubic root of 18952079 is about 266.6156383263.

The spelling of 18952079 in words is "eighteen million, nine hundred fifty-two thousand, seventy-nine".