2287000643 has 2 divisors, whose sum is σ = 2287000644. Its totient is φ = 2287000642.

The previous prime is 2287000619. The next prime is 2287000669. The reversal of 2287000643 is 3460007822.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2287000643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2287000943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143500321 + 1143500322.

It is an arithmetic number, because the mean of its divisors is an integer number (1143500322).

Almost surely, 2^2287000643 is an apocalyptic number.

2287000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287000643 is an equidigital number, since it uses as much as digits as its factorization.

2287000643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2287000643 is about 47822.5955276374. The cubic root of 2287000643 is about 1317.5145768544.

The spelling of 2287000643 in words is "two billion, two hundred eighty-seven million, six hundred forty-three", and thus it is an aban number.