2645335674 has 24 divisors (see below), whose sum is σ = 5817108960. Its totient is φ = 868617288.

The previous prime is 2645335673. The next prime is 2645335687. The reversal of 2645335674 is 4765335462.

2645335674 is a `hidden beast` number, since 2 + 64 + 533 + 56 + 7 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2645335673) 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 11 ways as a sum of consecutive naturals, for example, 1095534 + ... + 1097945.

It is an arithmetic number, because the mean of its divisors is an integer number (242379540).

Almost surely, 2^2645335674 is an apocalyptic number.

2645335674 is an abundant number, since it is smaller than the sum of its proper divisors (3171773286).

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

2645335674 is a wasteful number, since it uses less digits than its factorization.

2645335674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193554 (or 2193551 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The square root of 2645335674 is about 51432.8268132328. The cubic root of 2645335674 is about 1383.0151246144.

The spelling of 2645335674 in words is "two billion, six hundred forty-five million, three hundred thirty-five thousand, six hundred seventy-four".