1092881549 has 2 divisors, whose sum is σ = 1092881550. Its totient is φ = 1092881548.

The previous prime is 1092881521. The next prime is 1092881557. The reversal of 1092881549 is 9451882901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774508900 + 318372649 = 27830^2 + 17843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092881549 - 2¹⁶ = 1092816013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1092881519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546440774 + 546440775.

It is an arithmetic number, because the mean of its divisors is an integer number (546440775).

Almost surely, 2^1092881549 is an apocalyptic number.

It is an amenable number.

1092881549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092881549 is an equidigital number, since it uses as much as digits as its factorization.

1092881549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 1092881549 is about 33058.7590359953. The cubic root of 1092881549 is about 1030.0485567959.

The spelling of 1092881549 in words is "one billion, ninety-two million, eight hundred eighty-one thousand, five hundred forty-nine".