22613354549 has 2 divisors, whose sum is σ = 22613354550. Its totient is φ = 22613354548.

The previous prime is 22613354509. The next prime is 22613354579. The reversal of 22613354549 is 94545331622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17422152049 + 5191202500 = 131993^2 + 72050^2 .

It is a cyclic number.

It is not a de Polignac number, because 22613354549 - 2⁸ = 22613354293 is a prime.

It is a super-2 number, since 2×22613354549² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22613354509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11306677274 + 11306677275.

It is an arithmetic number, because the mean of its divisors is an integer number (11306677275).

Almost surely, 2^22613354549 is an apocalyptic number.

It is an amenable number.

22613354549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22613354549 is an equidigital number, since it uses as much as digits as its factorization.

22613354549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 44.

The spelling of 22613354549 in words is "twenty-two billion, six hundred thirteen million, three hundred fifty-four thousand, five hundred forty-nine".