2045687084 has 18 divisors (see below), whose sum is σ = 4164434820. Its totient is φ = 876722952.

The previous prime is 2045687071. The next prime is 2045687089. The reversal of 2045687084 is 4807865402.

It is not an unprimeable number, because it can be changed into a prime (2045687089) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5218394 + ... + 5218785.

It is an arithmetic number, because the mean of its divisors is an integer number (231357490).

Almost surely, 2^2045687084 is an apocalyptic number.

It is an amenable number.

2045687084 is an abundant number, since it is smaller than the sum of its proper divisors (2118747736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045687084 is a wasteful number, since it uses less digits than its factorization.

2045687084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10437197 (or 10437188 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 2045687084 is about 45229.2724239513. The cubic root of 2045687084 is about 1269.4425983051.

The spelling of 2045687084 in words is "two billion, forty-five million, six hundred eighty-seven thousand, eighty-four".