22773733693 has 2 divisors, whose sum is σ = 22773733694. Its totient is φ = 22773733692.

The previous prime is 22773733663. The next prime is 22773733747. The reversal of 22773733693 is 39633737722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21227907204 + 1545826489 = 145698^2 + 39317^2 .

It is a cyclic number.

It is not a de Polignac number, because 22773733693 - 2²⁵ = 22740179261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22773733693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22773733603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11386866846 + 11386866847.

It is an arithmetic number, because the mean of its divisors is an integer number (11386866847).

Almost surely, 2^22773733693 is an apocalyptic number.

It is an amenable number.

22773733693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22773733693 is an equidigital number, since it uses as much as digits as its factorization.

22773733693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6001128, while the sum is 52.

The spelling of 22773733693 in words is "twenty-two billion, seven hundred seventy-three million, seven hundred thirty-three thousand, six hundred ninety-three".