8269622549 has 2 divisors, whose sum is σ = 8269622550. Its totient is φ = 8269622548.

The previous prime is 8269622533. The next prime is 8269622587. The reversal of 8269622549 is 9452269628.

8269622549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7146166225 + 1123456324 = 84535^2 + 33518^2 .

It is a cyclic number.

It is not a de Polignac number, because 8269622549 - 2⁴ = 8269622533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8269622549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8269522549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134811274 + 4134811275.

It is an arithmetic number, because the mean of its divisors is an integer number (4134811275).

Almost surely, 2^8269622549 is an apocalyptic number.

It is an amenable number.

8269622549 is a deficient number, since it is larger than the sum of its proper divisors (1).

8269622549 is an equidigital number, since it uses as much as digits as its factorization.

8269622549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The square root of 8269622549 is about 90937.4650460414. The cubic root of 8269622549 is about 2022.2207505592.

The spelling of 8269622549 in words is "eight billion, two hundred sixty-nine million, six hundred twenty-two thousand, five hundred forty-nine".