18796769 has 2 divisors, whose sum is σ = 18796770. Its totient is φ = 18796768.

The previous prime is 18796763. The next prime is 18796787. The reversal of 18796769 is 96769781.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 6630625 = 3488^2 + 2575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18796769 is a prime.

It is a super-2 number, since 2×18796769² = 706637049678722, which contains 22 as substring.

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 18796769.

It is not a weakly prime, because it can be changed into another prime (18796763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9398384 + 9398385.

It is an arithmetic number, because the mean of its divisors is an integer number (9398385).

Almost surely, 2^18796769 is an apocalyptic number.

It is an amenable number.

18796769 is a deficient number, since it is larger than the sum of its proper divisors (1).

18796769 is an equidigital number, since it uses as much as digits as its factorization.

18796769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 53.

The square root of 18796769 is about 4335.5240744344. The cubic root of 18796769 is about 265.8853454655.

The spelling of 18796769 in words is "eighteen million, seven hundred ninety-six thousand, seven hundred sixty-nine".