2655786338 has 4 divisors (see below), whose sum is σ = 3983679510. Its totient is φ = 1327893168.

The previous prime is 2655786319. The next prime is 2655786421. The reversal of 2655786338 is 8336875562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8336875562 = 2 ⋅4168437781.

It can be written as a sum of positive squares in only one way, i.e., 2306208529 + 349577809 = 48023^2 + 18697^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655786338.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663946583 + ... + 663946586.

Almost surely, 2^2655786338 is an apocalyptic number.

2655786338 is a deficient number, since it is larger than the sum of its proper divisors (1327893172).

2655786338 is a wasteful number, since it uses less digits than its factorization.

2655786338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327893171.

The product of its digits is 7257600, while the sum is 53.

The square root of 2655786338 is about 51534.3219417894. The cubic root of 2655786338 is about 1384.8339781967.

The spelling of 2655786338 in words is "two billion, six hundred fifty-five million, seven hundred eighty-six thousand, three hundred thirty-eight".