1083606649 has 2 divisors, whose sum is σ = 1083606650. Its totient is φ = 1083606648.

The previous prime is 1083606631. The next prime is 1083606697. The reversal of 1083606649 is 9466063801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756250000 + 327356649 = 27500^2 + 18093^2 .

It is an emirp because it is prime and its reverse (9466063801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1083606649 - 2²³ = 1075218041 is a prime.

It is a super-3 number, since 3×1083606649³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1083604649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541803324 + 541803325.

It is an arithmetic number, because the mean of its divisors is an integer number (541803325).

Almost surely, 2^1083606649 is an apocalyptic number.

It is an amenable number.

1083606649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083606649 is an equidigital number, since it uses as much as digits as its factorization.

1083606649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1083606649 is about 32918.1811314052. The cubic root of 1083606649 is about 1027.1263884789.

The spelling of 1083606649 in words is "one billion, eighty-three million, six hundred six thousand, six hundred forty-nine".