2894945830 has 128 divisors (see below), whose sum is σ = 6613125120. Its totient is φ = 889574400.

The previous prime is 2894945797. The next prime is 2894945873. The reversal of 2894945830 is 385494982.

2894945830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2894945830² = 16761422717268777800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3089122 + ... + 3090058.

It is an arithmetic number, because the mean of its divisors is an integer number (51665040).

Almost surely, 2^2894945830 is an apocalyptic number.

2894945830 is an abundant number, since it is smaller than the sum of its proper divisors (3718179290).

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

2894945830 is a wasteful number, since it uses less digits than its factorization.

2894945830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 2894945830 is about 53804.7008169361. The cubic root of 2894945830 is about 1425.2142212057.

The spelling of 2894945830 in words is "two billion, eight hundred ninety-four million, nine hundred forty-five thousand, eight hundred thirty".