1092509389 has 2 divisors, whose sum is σ = 1092509390. Its totient is φ = 1092509388.

The previous prime is 1092509371. The next prime is 1092509417. The reversal of 1092509389 is 9839052901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1073872900 + 18636489 = 32770^2 + 4317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092509389 - 2⁷ = 1092509261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1092509339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546254694 + 546254695.

It is an arithmetic number, because the mean of its divisors is an integer number (546254695).

Almost surely, 2^1092509389 is an apocalyptic number.

It is an amenable number.

1092509389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092509389 is an equidigital number, since it uses as much as digits as its factorization.

1092509389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 1092509389 is about 33053.1297912921. The cubic root of 1092509389 is about 1029.9316223813.

The spelling of 1092509389 in words is "one billion, ninety-two million, five hundred nine thousand, three hundred eighty-nine".