22866829493 has 2 divisors, whose sum is σ = 22866829494. Its totient is φ = 22866829492.

The previous prime is 22866829451. The next prime is 22866829549. The reversal of 22866829493 is 39492866822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16267216849 + 6599612644 = 127543^2 + 81238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22866829493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22866859493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11433414746 + 11433414747.

It is an arithmetic number, because the mean of its divisors is an integer number (11433414747).

Almost surely, 2^22866829493 is an apocalyptic number.

It is an amenable number.

22866829493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22866829493 is an equidigital number, since it uses as much as digits as its factorization.

22866829493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 59.

The spelling of 22866829493 in words is "twenty-two billion, eight hundred sixty-six million, eight hundred twenty-nine thousand, four hundred ninety-three".