18822110737 has 2 divisors, whose sum is σ = 18822110738. Its totient is φ = 18822110736.

The previous prime is 18822110687. The next prime is 18822110837. The reversal of 18822110737 is 73701122881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15736197136 + 3085913601 = 125444^2 + 55551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18822110737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18822110737.

It is not a weakly prime, because it can be changed into another prime (18822110837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9411055368 + 9411055369.

It is an arithmetic number, because the mean of its divisors is an integer number (9411055369).

Almost surely, 2^18822110737 is an apocalyptic number.

It is an amenable number.

18822110737 is a deficient number, since it is larger than the sum of its proper divisors (1).

18822110737 is an equidigital number, since it uses as much as digits as its factorization.

18822110737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 18822110737 in words is "eighteen billion, eight hundred twenty-two million, one hundred ten thousand, seven hundred thirty-seven".