18250985741 has 2 divisors, whose sum is σ = 18250985742. Its totient is φ = 18250985740.

The previous prime is 18250985693. The next prime is 18250985759. The reversal of 18250985741 is 14758905281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12142938025 + 6108047716 = 110195^2 + 78154^2 .

It is a cyclic number.

It is not a de Polignac number, because 18250985741 - 2³⁰ = 17177243917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18250985741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18250985761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9125492870 + 9125492871.

It is an arithmetic number, because the mean of its divisors is an integer number (9125492871).

Almost surely, 2^18250985741 is an apocalyptic number.

It is an amenable number.

18250985741 is a deficient number, since it is larger than the sum of its proper divisors (1).

18250985741 is an equidigital number, since it uses as much as digits as its factorization.

18250985741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 50.

The spelling of 18250985741 in words is "eighteen billion, two hundred fifty million, nine hundred eighty-five thousand, seven hundred forty-one".