5509980169 has 2 divisors, whose sum is σ = 5509980170. Its totient is φ = 5509980168.

The previous prime is 5509980137. The next prime is 5509980181. The reversal of 5509980169 is 9610899055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3983124544 + 1526855625 = 63112^2 + 39075^2 .

It is a cyclic number.

It is not a de Polignac number, because 5509980169 - 2⁵ = 5509980137 is a prime.

It is a super-2 number, since 2×5509980169² = 60719762925546537122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5509950169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754990084 + 2754990085.

It is an arithmetic number, because the mean of its divisors is an integer number (2754990085).

Almost surely, 2^5509980169 is an apocalyptic number.

It is an amenable number.

5509980169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509980169 is an equidigital number, since it uses as much as digits as its factorization.

5509980169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 5509980169 is about 74229.2406602681. The cubic root of 5509980169 is about 1766.2412035176.

The spelling of 5509980169 in words is "five billion, five hundred nine million, nine hundred eighty thousand, one hundred sixty-nine".