2655519899 has 4 divisors (see below), whose sum is σ = 2662209264. Its totient is φ = 2648830536.

The previous prime is 2655519887. The next prime is 2655519907. The reversal of 2655519899 is 9989155562.

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 2655519899 - 2²⁸ = 2387084443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655519829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344087 + ... + 3344880.

It is an arithmetic number, because the mean of its divisors is an integer number (665552316).

Almost surely, 2^2655519899 is an apocalyptic number.

2655519899 is a deficient number, since it is larger than the sum of its proper divisors (6689365).

2655519899 is an equidigital number, since it uses as much as digits as its factorization.

2655519899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689364.

The product of its digits is 8748000, while the sum is 59.

The square root of 2655519899 is about 51531.7368133464. The cubic root of 2655519899 is about 1384.7876659722.

The spelling of 2655519899 in words is "two billion, six hundred fifty-five million, five hundred nineteen thousand, eight hundred ninety-nine".