18289892941 has 2 divisors, whose sum is σ = 18289892942. Its totient is φ = 18289892940.

The previous prime is 18289892903. The next prime is 18289892963. The reversal of 18289892941 is 14929898281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17243629225 + 1046263716 = 131315^2 + 32346^2 .

It is a cyclic number.

It is not a de Polignac number, because 18289892941 - 2¹⁷ = 18289761869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18289892941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18289892041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9144946470 + 9144946471.

It is an arithmetic number, because the mean of its divisors is an integer number (9144946471).

Almost surely, 2^18289892941 is an apocalyptic number.

It is an amenable number.

18289892941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18289892941 is an equidigital number, since it uses as much as digits as its factorization.

18289892941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 61.

The spelling of 18289892941 in words is "eighteen billion, two hundred eighty-nine million, eight hundred ninety-two thousand, nine hundred forty-one".