1103455649 has 2 divisors, whose sum is σ = 1103455650. Its totient is φ = 1103455648.

The previous prime is 1103455631. The next prime is 1103455667. The reversal of 1103455649 is 9465543011.

It is a balanced prime because it is at equal distance from previous prime (1103455631) and next prime (1103455667).

It can be written as a sum of positive squares in only one way, i.e., 911134225 + 192321424 = 30185^2 + 13868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103455649 - 2⁸ = 1103455393 is a prime.

It is a super-2 number, since 2×1103455649² = 2435228738620022402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1103455949) 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, 551727824 + 551727825.

It is an arithmetic number, because the mean of its divisors is an integer number (551727825).

Almost surely, 2^1103455649 is an apocalyptic number.

It is an amenable number.

1103455649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103455649 is an equidigital number, since it uses as much as digits as its factorization.

1103455649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1103455649 is about 33218.3029217328. The cubic root of 1103455649 is about 1033.3599544882.

The spelling of 1103455649 in words is "one billion, one hundred three million, four hundred fifty-five thousand, six hundred forty-nine".