22749986299321 has 2 divisors, whose sum is σ = 22749986299322. Its totient is φ = 22749986299320.

The previous prime is 22749986299319. The next prime is 22749986299351. The reversal of 22749986299321 is 12399268994722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21652595965225 + 1097390334096 = 4653235^2 + 1047564^2 .

It is a cyclic number.

It is not a de Polignac number, because 22749986299321 - 2¹ = 22749986299319 is a prime.

It is a super-2 number, since 2×22749986299321² (a number of 28 digits) contains 22 as substring.

Together with 22749986299319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22749986299351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374993149660 + 11374993149661.

It is an arithmetic number, because the mean of its divisors is an integer number (11374993149661).

Almost surely, 2^{22749986299321} is an apocalyptic number.

It is an amenable number.

22749986299321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22749986299321 is an equidigital number, since it uses as much as digits as its factorization.

22749986299321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423263232, while the sum is 73.

The spelling of 22749986299321 in words is "twenty-two trillion, seven hundred forty-nine billion, nine hundred eighty-six million, two hundred ninety-nine thousand, three hundred twenty-one".