8225188928549 has 2 divisors, whose sum is σ = 8225188928550. Its totient is φ = 8225188928548.

The previous prime is 8225188928527. The next prime is 8225188928573. The reversal of 8225188928549 is 9458298815228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8224603772449 + 585156100 = 2867857^2 + 24190^2 .

It is a cyclic number.

It is not a de Polignac number, because 8225188928549 - 2¹² = 8225188924453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8225188928149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112594464274 + 4112594464275.

It is an arithmetic number, because the mean of its divisors is an integer number (4112594464275).

Almost surely, 2^{8225188928549} is an apocalyptic number.

It is an amenable number.

8225188928549 is a deficient number, since it is larger than the sum of its proper divisors (1).

8225188928549 is an equidigital number, since it uses as much as digits as its factorization.

8225188928549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 265420800, while the sum is 71.

The spelling of 8225188928549 in words is "eight trillion, two hundred twenty-five billion, one hundred eighty-eight million, nine hundred twenty-eight thousand, five hundred forty-nine".