18746062871 has 2 divisors, whose sum is σ = 18746062872. Its totient is φ = 18746062870.

The previous prime is 18746062859. The next prime is 18746062873. The reversal of 18746062871 is 17826064781.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18746062871 - 2¹⁸ = 18745800727 is a prime.

Together with 18746062873, 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 (18746062873) 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, 9373031435 + 9373031436.

It is an arithmetic number, because the mean of its divisors is an integer number (9373031436).

Almost surely, 2^18746062871 is an apocalyptic number.

18746062871 is a deficient number, since it is larger than the sum of its proper divisors (1).

18746062871 is an equidigital number, since it uses as much as digits as its factorization.

18746062871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 18746062871 in words is "eighteen billion, seven hundred forty-six million, sixty-two thousand, eight hundred seventy-one".