1084113649 has 2 divisors, whose sum is σ = 1084113650. Its totient is φ = 1084113648.

The previous prime is 1084113631. The next prime is 1084113691. The reversal of 1084113649 is 9463114801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921729600 + 162384049 = 30360^2 + 12743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084113649 - 2⁷ = 1084113521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1084113449) 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, 542056824 + 542056825.

It is an arithmetic number, because the mean of its divisors is an integer number (542056825).

Almost surely, 2^1084113649 is an apocalyptic number.

It is an amenable number.

1084113649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084113649 is an equidigital number, since it uses as much as digits as its factorization.

1084113649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1084113649 is about 32925.8811423476. The cubic root of 1084113649 is about 1027.2865548036.

The spelling of 1084113649 in words is "one billion, eighty-four million, one hundred thirteen thousand, six hundred forty-nine".