22729384697 has 2 divisors, whose sum is σ = 22729384698. Its totient is φ = 22729384696.

The previous prime is 22729384687. The next prime is 22729384751. The reversal of 22729384697 is 79648392722.

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., 16119857296 + 6609527401 = 126964^2 + 81299^2 .

It is a cyclic number.

It is not a de Polignac number, because 22729384697 - 2⁶ = 22729384633 is a prime.

It is not a weakly prime, because it can be changed into another prime (22729384687) 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, 11364692348 + 11364692349.

It is an arithmetic number, because the mean of its divisors is an integer number (11364692349).

Almost surely, 2^22729384697 is an apocalyptic number.

It is an amenable number.

22729384697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22729384697 is an equidigital number, since it uses as much as digits as its factorization.

22729384697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 59.

The spelling of 22729384697 in words is "twenty-two billion, seven hundred twenty-nine million, three hundred eighty-four thousand, six hundred ninety-seven".