22963277549 has 2 divisors, whose sum is σ = 22963277550. Its totient is φ = 22963277548.

The previous prime is 22963277473. The next prime is 22963277567. The reversal of 22963277549 is 94577236922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14172902500 + 8790375049 = 119050^2 + 93757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22963277549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22963277494 and 22963277503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22963277599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11481638774 + 11481638775.

It is an arithmetic number, because the mean of its divisors is an integer number (11481638775).

Almost surely, 2^22963277549 is an apocalyptic number.

It is an amenable number.

22963277549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22963277549 is an equidigital number, since it uses as much as digits as its factorization.

22963277549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 56.

The spelling of 22963277549 in words is "twenty-two billion, nine hundred sixty-three million, two hundred seventy-seven thousand, five hundred forty-nine".