2894657243 has 8 divisors (see below), whose sum is σ = 2998058880. Its totient is φ = 2794817928.

The previous prime is 2894657237. The next prime is 2894657261. The reversal of 2894657243 is 3427564982.

It is not a de Polignac number, because 2894657243 - 2⁸ = 2894656987 is a prime.

It is a super-2 number, since 2×2894657243² = 16758081108904722098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2894657191 and 2894657200.

It is not an unprimeable number, because it can be changed into a prime (2894657443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34955 + ... + 83732.

It is an arithmetic number, because the mean of its divisors is an integer number (374757360).

Almost surely, 2^2894657243 is an apocalyptic number.

2894657243 is a deficient number, since it is larger than the sum of its proper divisors (103401637).

2894657243 is an frugal number, since it uses more digits than its factorization.

2894657243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118774 (or 118716 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 2894657243 is about 53802.0189491064. The cubic root of 2894657243 is about 1425.1668614290.

The spelling of 2894657243 in words is "two billion, eight hundred ninety-four million, six hundred fifty-seven thousand, two hundred forty-three".