2655532399 has 4 divisors (see below), whose sum is σ = 2859804136. Its totient is φ = 2451260664.

The previous prime is 2655532393. The next prime is 2655532417. The reversal of 2655532399 is 9932355562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932355562 = 2 ⋅4966177781.

It is a cyclic number.

It is not a de Polignac number, because 2655532399 - 2¹⁵ = 2655499631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655532393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102135849 + ... + 102135874.

It is an arithmetic number, because the mean of its divisors is an integer number (714951034).

Almost surely, 2^2655532399 is an apocalyptic number.

2655532399 is a deficient number, since it is larger than the sum of its proper divisors (204271737).

2655532399 is a wasteful number, since it uses less digits than its factorization.

2655532399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204271736.

The product of its digits is 2187000, while the sum is 49.

The square root of 2655532399 is about 51531.8580976856. The cubic root of 2655532399 is about 1384.7898387819.

The spelling of 2655532399 in words is "two billion, six hundred fifty-five million, five hundred thirty-two thousand, three hundred ninety-nine".