5500491649 has 2 divisors, whose sum is σ = 5500491650. Its totient is φ = 5500491648.

The previous prime is 5500491611. The next prime is 5500491679. The reversal of 5500491649 is 9461940055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5440537600 + 59954049 = 73760^2 + 7743^2 .

It is a cyclic number.

It is not a de Polignac number, because 5500491649 - 2⁹ = 5500491137 is a prime.

It is not a weakly prime, because it can be changed into another prime (5500491679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750245824 + 2750245825.

It is an arithmetic number, because the mean of its divisors is an integer number (2750245825).

Almost surely, 2^5500491649 is an apocalyptic number.

It is an amenable number.

5500491649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500491649 is an equidigital number, since it uses as much as digits as its factorization.

5500491649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 5500491649 is about 74165.2994937660. The cubic root of 5500491649 is about 1765.2267628301.

The spelling of 5500491649 in words is "five billion, five hundred million, four hundred ninety-one thousand, six hundred forty-nine".