2825706645 has 12 divisors (see below), whose sum is σ = 4897891596. Its totient is φ = 1507043520.

The previous prime is 2825706641. The next prime is 2825706661. The reversal of 2825706645 is 5466075282.

2825706645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2184908049 + 640798596 = 46743^2 + 25314^2 .

It is not a de Polignac number, because 2825706645 - 2² = 2825706641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 62793481 = 2825706645 / (2 + 8 + 2 + 5 + 7 + 0 + 6 + 6 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2825706645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825706641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31396696 + ... + 31396785.

It is an arithmetic number, because the mean of its divisors is an integer number (408157633).

Almost surely, 2^2825706645 is an apocalyptic number.

It is an amenable number.

2825706645 is a deficient number, since it is larger than the sum of its proper divisors (2072184951).

2825706645 is a wasteful number, since it uses less digits than its factorization.

2825706645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62793492 (or 62793489 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 2825706645 is about 53157.3762050009. The cubic root of 2825706645 is about 1413.7600036348.

The spelling of 2825706645 in words is "two billion, eight hundred twenty-five million, seven hundred six thousand, six hundred forty-five".