2852720641 has 4 divisors (see below), whose sum is σ = 2878892500. Its totient is φ = 2826548784.

The previous prime is 2852720621. The next prime is 2852720669. The reversal of 2852720641 is 1460272582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1319215041 + 1533505600 = 36321^2 + 39160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2852720641 - 2¹³ = 2852712449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2852720641.

It is not an unprimeable number, because it can be changed into a prime (2852720621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13085766 + ... + 13085983.

It is an arithmetic number, because the mean of its divisors is an integer number (719723125).

Almost surely, 2^2852720641 is an apocalyptic number.

It is an amenable number.

2852720641 is a deficient number, since it is larger than the sum of its proper divisors (26171859).

2852720641 is a wasteful number, since it uses less digits than its factorization.

2852720641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26171858.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 2852720641 is about 53410.8663195047. The cubic root of 2852720641 is about 1418.2509446177.

The spelling of 2852720641 in words is "two billion, eight hundred fifty-two million, seven hundred twenty thousand, six hundred forty-one".