2858894681 has 4 divisors (see below), whose sum is σ = 2866559652. Its totient is φ = 2851229712.

The previous prime is 2858894669. The next prime is 2858894723. The reversal of 2858894681 is 1864988582.

2858894681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2103139600 + 755755081 = 45860^2 + 27491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2858894681 is a prime.

It is a super-2 number, since 2×2858894681² = 16346557594100183522, which contains 22 as substring.

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 2858894681.

It is not an unprimeable number, because it can be changed into a prime (2858891681) 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, 3831926 + ... + 3832671.

It is an arithmetic number, because the mean of its divisors is an integer number (716639913).

Almost surely, 2^2858894681 is an apocalyptic number.

It is an amenable number.

2858894681 is a deficient number, since it is larger than the sum of its proper divisors (7664971).

2858894681 is an equidigital number, since it uses as much as digits as its factorization.

2858894681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664970.

The product of its digits is 8847360, while the sum is 59.

The square root of 2858894681 is about 53468.6326830975. The cubic root of 2858894681 is about 1419.2733637676.

The spelling of 2858894681 in words is "two billion, eight hundred fifty-eight million, eight hundred ninety-four thousand, six hundred eighty-one".