2655643201 has 4 divisors (see below), whose sum is σ = 2656414852. Its totient is φ = 2654871552.

The previous prime is 2655643169. The next prime is 2655643213. The reversal of 2655643201 is 1023465562.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82719025 + 2572924176 = 9095^2 + 50724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655643201 - 2⁵ = 2655643169 is a prime.

It is a super-2 number, since 2×2655643201² = 14104881622035052802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655643301) 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, 380640 + ... + 387553.

It is an arithmetic number, because the mean of its divisors is an integer number (664103713).

Almost surely, 2^2655643201 is an apocalyptic number.

It is an amenable number.

2655643201 is a deficient number, since it is larger than the sum of its proper divisors (771651).

2655643201 is an equidigital number, since it uses as much as digits as its factorization.

2655643201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771650.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2655643201 is about 51532.9331689940. The cubic root of 2655643201 is about 1384.8090986172.

The spelling of 2655643201 in words is "two billion, six hundred fifty-five million, six hundred forty-three thousand, two hundred one".