2845388655 has 20 divisors (see below), whose sum is σ = 5100623352. Its totient is φ = 1517540400.

The previous prime is 2845388639. The next prime is 2845388677. The reversal of 2845388655 is 5568835482.

2845388655 is a `hidden beast` number, since 28 + 4 + 538 + 86 + 5 + 5 = 666.

It is not a de Polignac number, because 2845388655 - 2⁴ = 2845388639 is a prime.

It is a super-3 number, since 3×2845388655³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3512421 + ... + 3513230.

Almost surely, 2^2845388655 is an apocalyptic number.

2845388655 is a deficient number, since it is larger than the sum of its proper divisors (2255234697).

2845388655 is an equidigital number, since it uses as much as digits as its factorization.

2845388655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025668 (or 7025659 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The square root of 2845388655 is about 53342.1845728125. The cubic root of 2845388655 is about 1417.0348519990.

The spelling of 2845388655 in words is "two billion, eight hundred forty-five million, three hundred eighty-eight thousand, six hundred fifty-five".