18714000989 has 2 divisors, whose sum is σ = 18714000990. Its totient is φ = 18714000988.

The previous prime is 18714000983. The next prime is 18714001003. The reversal of 18714000989 is 98900041781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17464944025 + 1249056964 = 132155^2 + 35342^2 .

It is a cyclic number.

It is not a de Polignac number, because 18714000989 - 2⁴ = 18714000973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18714000983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9357000494 + 9357000495.

It is an arithmetic number, because the mean of its divisors is an integer number (9357000495).

Almost surely, 2^18714000989 is an apocalyptic number.

It is an amenable number.

18714000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

18714000989 is an equidigital number, since it uses as much as digits as its factorization.

18714000989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 18714000989 in words is "eighteen billion, seven hundred fourteen million, nine hundred eighty-nine", and thus it is an aban number.