2645211205 has 32 divisors (see below), whose sum is σ = 3932748288. Its totient is φ = 1663200000.

The previous prime is 2645211197. The next prime is 2645211221. The reversal of 2645211205 is 5021125462.

2645211205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645211205 - 2³ = 2645211197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49455 + ... + 87955.

It is an arithmetic number, because the mean of its divisors is an integer number (122898384).

Almost surely, 2^2645211205 is an apocalyptic number.

It is an amenable number.

2645211205 is a deficient number, since it is larger than the sum of its proper divisors (1287537083).

2645211205 is a wasteful number, since it uses less digits than its factorization.

2645211205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38677.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2645211205 is about 51431.6167838422. The cubic root of 2645211205 is about 1382.9934329489.

Adding to 2645211205 its reverse (5021125462), we get a palindrome (7666336667).

The spelling of 2645211205 in words is "two billion, six hundred forty-five million, two hundred eleven thousand, two hundred five".