18941200793 has 2 divisors, whose sum is σ = 18941200794. Its totient is φ = 18941200792.

The previous prime is 18941200783. The next prime is 18941200799. The reversal of 18941200793 is 39700214981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18934585609 + 6615184 = 137603^2 + 2572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18941200793 is a prime.

It is not a weakly prime, because it can be changed into another prime (18941200799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9470600396 + 9470600397.

It is an arithmetic number, because the mean of its divisors is an integer number (9470600397).

Almost surely, 2^18941200793 is an apocalyptic number.

It is an amenable number.

18941200793 is a deficient number, since it is larger than the sum of its proper divisors (1).

18941200793 is an equidigital number, since it uses as much as digits as its factorization.

18941200793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 18941200793 in words is "eighteen billion, nine hundred forty-one million, two hundred thousand, seven hundred ninety-three".