2110844645 has 64 divisors (see below), whose sum is σ = 3179527680. Its totient is φ = 1317648384.

The previous prime is 2110844639. The next prime is 2110844647. The reversal of 2110844645 is 5464480112.

It is not a de Polignac number, because 2110844645 - 2²⁸ = 1842409189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110844647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7458674 + ... + 7458956.

It is an arithmetic number, because the mean of its divisors is an integer number (49680120).

Almost surely, 2^2110844645 is an apocalyptic number.

It is an amenable number.

2110844645 is a deficient number, since it is larger than the sum of its proper divisors (1068683035).

2110844645 is an equidigital number, since it uses as much as digits as its factorization.

2110844645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2110844645 is about 45943.9293596009. The cubic root of 2110844645 is about 1282.7797347267.

The spelling of 2110844645 in words is "two billion, one hundred ten million, eight hundred forty-four thousand, six hundred forty-five".