5505498789649 has 2 divisors, whose sum is σ = 5505498789650. Its totient is φ = 5505498789648.

The previous prime is 5505498789631. The next prime is 5505498789671. The reversal of 5505498789649 is 9469878945055.

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., 4821888974400 + 683609815249 = 2195880^2 + 826807^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505498789649 - 2⁹ = 5505498789137 is a prime.

It is not a weakly prime, because it can be changed into another prime (5505498789689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752749394824 + 2752749394825.

It is an arithmetic number, because the mean of its divisors is an integer number (2752749394825).

Almost surely, 2^{5505498789649} is an apocalyptic number.

It is an amenable number.

5505498789649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505498789649 is an equidigital number, since it uses as much as digits as its factorization.

5505498789649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104000, while the sum is 79.

The spelling of 5505498789649 in words is "five trillion, five hundred five billion, four hundred ninety-eight million, seven hundred eighty-nine thousand, six hundred forty-nine".