2036622645 has 24 divisors (see below), whose sum is σ = 3531201336. Its totient is φ = 1085874048.

The previous prime is 2036622629. The next prime is 2036622647. The reversal of 2036622645 is 5462266302.

2036622645 is a `hidden beast` number, since 2 + 0 + 3 + 6 + 6 + 2 + 2 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 245047716 + 1791574929 = 15654^2 + 42327^2 .

It is not a de Polignac number, because 2036622645 - 2⁴ = 2036622629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2036622647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268647 + ... + 276123.

It is an arithmetic number, because the mean of its divisors is an integer number (147133389).

Almost surely, 2^2036622645 is an apocalyptic number.

It is an amenable number.

2036622645 is a deficient number, since it is larger than the sum of its proper divisors (1494578691).

2036622645 is a wasteful number, since it uses less digits than its factorization.

2036622645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13541 (or 13538 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2036622645 is about 45128.9557268945. The cubic root of 2036622645 is about 1267.5648555216.

Adding to 2036622645 its reverse (5462266302), we get a palindrome (7498888947).

The spelling of 2036622645 in words is "two billion, thirty-six million, six hundred twenty-two thousand, six hundred forty-five".