2864061243 has 24 divisors (see below), whose sum is σ = 4177611776. Its totient is φ = 1890702000.

The previous prime is 2864061217. The next prime is 2864061251. The reversal of 2864061243 is 3421604682.

2864061243 is a `hidden beast` number, since 2 + 8 + 6 + 406 + 1 + 243 = 666.

It is not a de Polignac number, because 2864061243 - 2⁸ = 2864060987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2864061198 and 2864061207.

It is not an unprimeable number, because it can be changed into a prime (2864061143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446646 + ... + 453012.

Almost surely, 2^2864061243 is an apocalyptic number.

2864061243 is a deficient number, since it is larger than the sum of its proper divisors (1313550533).

2864061243 is a wasteful number, since it uses less digits than its factorization.

2864061243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2864061243 is about 53516.9248275721. The cubic root of 2864061243 is about 1420.1278141580.

The spelling of 2864061243 in words is "two billion, eight hundred sixty-four million, sixty-one thousand, two hundred forty-three".