5509990277279 has 4 divisors (see below), whose sum is σ = 5543793898776. Its totient is φ = 5476186655784.

The previous prime is 5509990277171. The next prime is 5509990277299. The reversal of 5509990277279 is 9727720999055.

5509990277279 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5509990277279 - 2²⁸ = 5509721841823 is a prime.

It is a super-2 number, since 2×5509990277279² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509990277299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16901810504 + ... + 16901810829.

It is an arithmetic number, because the mean of its divisors is an integer number (1385948474694).

Almost surely, 2^{5509990277279} is an apocalyptic number.

5509990277279 is a deficient number, since it is larger than the sum of its proper divisors (33803621497).

5509990277279 is a wasteful number, since it uses less digits than its factorization.

5509990277279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33803621496.

The product of its (nonzero) digits is 225042300, while the sum is 71.

The spelling of 5509990277279 in words is "five trillion, five hundred nine billion, nine hundred ninety million, two hundred seventy-seven thousand, two hundred seventy-nine".