1092491369 has 2 divisors, whose sum is σ = 1092491370. Its totient is φ = 1092491368.

The previous prime is 1092491339. The next prime is 1092491437. The reversal of 1092491369 is 9631942901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051056400 + 41434969 = 32420^2 + 6437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092491369 - 2²⁴ = 1075714153 is a prime.

It is a super-2 number, since 2×1092491369² = 2387074782678988322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1092491339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546245684 + 546245685.

It is an arithmetic number, because the mean of its divisors is an integer number (546245685).

Almost surely, 2^1092491369 is an apocalyptic number.

It is an amenable number.

1092491369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092491369 is an equidigital number, since it uses as much as digits as its factorization.

1092491369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 1092491369 is about 33052.8571987355. The cubic root of 1092491369 is about 1029.9259597389.

The spelling of 1092491369 in words is "one billion, ninety-two million, four hundred ninety-one thousand, three hundred sixty-nine".