22435273789 has 2 divisors, whose sum is σ = 22435273790. Its totient is φ = 22435273788.

The previous prime is 22435273687. The next prime is 22435273793. The reversal of 22435273789 is 98737253422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11809168900 + 10626104889 = 108670^2 + 103083^2 .

It is a cyclic number.

It is not a de Polignac number, because 22435273789 - 2³¹ = 20287790141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22435283789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217636894 + 11217636895.

It is an arithmetic number, because the mean of its divisors is an integer number (11217636895).

Almost surely, 2^22435273789 is an apocalyptic number.

It is an amenable number.

22435273789 is a deficient number, since it is larger than the sum of its proper divisors (1).

22435273789 is an equidigital number, since it uses as much as digits as its factorization.

22435273789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 52.

The spelling of 22435273789 in words is "twenty-two billion, four hundred thirty-five million, two hundred seventy-three thousand, seven hundred eighty-nine".