1082491369 has 2 divisors, whose sum is σ = 1082491370. Its totient is φ = 1082491368.

The previous prime is 1082491363. The next prime is 1082491379. The reversal of 1082491369 is 9631942801.

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., 620757225 + 461734144 = 24915^2 + 21488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082491369 - 2²³ = 1074102761 is a prime.

It is a super-2 number, since 2×1082491369² = 2343575127918988322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1082491363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541245684 + 541245685.

It is an arithmetic number, because the mean of its divisors is an integer number (541245685).

Almost surely, 2^1082491369 is an apocalyptic number.

It is an amenable number.

1082491369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082491369 is an equidigital number, since it uses as much as digits as its factorization.

1082491369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1082491369 is about 32901.2365877029. The cubic root of 1082491369 is about 1026.7738845667.

The spelling of 1082491369 in words is "one billion, eighty-two million, four hundred ninety-one thousand, three hundred sixty-nine".