2643000847 has 2 divisors, whose sum is σ = 2643000848. Its totient is φ = 2643000846.

The previous prime is 2643000809. The next prime is 2643000887. The reversal of 2643000847 is 7480003462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2643000847 - 2²⁷ = 2508783119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643000887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321500423 + 1321500424.

It is an arithmetic number, because the mean of its divisors is an integer number (1321500424).

Almost surely, 2^2643000847 is an apocalyptic number.

2643000847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643000847 is an equidigital number, since it uses as much as digits as its factorization.

2643000847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 2643000847 is about 51410.1239737856. The cubic root of 2643000847 is about 1382.6081124312.

The spelling of 2643000847 in words is "two billion, six hundred forty-three million, eight hundred forty-seven", and thus it is an aban number.