22689548677 has 2 divisors, whose sum is σ = 22689548678. Its totient is φ = 22689548676.

The previous prime is 22689548659. The next prime is 22689548701. The reversal of 22689548677 is 77684598622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22264817796 + 424730881 = 149214^2 + 20609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22689548677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22689548617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11344774338 + 11344774339.

It is an arithmetic number, because the mean of its divisors is an integer number (11344774339).

Almost surely, 2^22689548677 is an apocalyptic number.

It is an amenable number.

22689548677 is a deficient number, since it is larger than the sum of its proper divisors (1).

22689548677 is an equidigital number, since it uses as much as digits as its factorization.

22689548677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 64.

It can be divided in two parts, 226895 and 48677, that added together give a palindrome (275572).

The spelling of 22689548677 in words is "twenty-two billion, six hundred eighty-nine million, five hundred forty-eight thousand, six hundred seventy-seven".