5509621099 has 2 divisors, whose sum is σ = 5509621100. Its totient is φ = 5509621098.

The previous prime is 5509621093. The next prime is 5509621129. The reversal of 5509621099 is 9901269055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5509621099 - 2⁵ = 5509621067 is a prime.

It is not a weakly prime, because it can be changed into another prime (5509621093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754810549 + 2754810550.

It is an arithmetic number, because the mean of its divisors is an integer number (2754810550).

Almost surely, 2^5509621099 is an apocalyptic number.

5509621099 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509621099 is an equidigital number, since it uses as much as digits as its factorization.

5509621099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 46.

The square root of 5509621099 is about 74226.8219648396. The cubic root of 5509621099 is about 1766.2028356840.

The spelling of 5509621099 in words is "five billion, five hundred nine million, six hundred twenty-one thousand, ninety-nine".