2856253801 has 4 divisors (see below), whose sum is σ = 2922678352. Its totient is φ = 2789829252.

The previous prime is 2856253753. The next prime is 2856253823. The reversal of 2856253801 is 1083526582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2856253801 - 2²³ = 2847865193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2856253891) 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 3 ways as a sum of consecutive naturals, for example, 33212211 + ... + 33212296.

It is an arithmetic number, because the mean of its divisors is an integer number (730669588).

Almost surely, 2^2856253801 is an apocalyptic number.

It is an amenable number.

2856253801 is a deficient number, since it is larger than the sum of its proper divisors (66424551).

2856253801 is an equidigital number, since it uses as much as digits as its factorization.

2856253801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66424550.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 2856253801 is about 53443.9313767241. The cubic root of 2856253801 is about 1418.8362151777.

The spelling of 2856253801 in words is "two billion, eight hundred fifty-six million, two hundred fifty-three thousand, eight hundred one".