4287622643 has 2 divisors, whose sum is σ = 4287622644. Its totient is φ = 4287622642.

The previous prime is 4287622597. The next prime is 4287622693. The reversal of 4287622643 is 3462267824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4287622643 - 2²² = 4283428339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4287622594 and 4287622603.

It is not a weakly prime, because it can be changed into another prime (4287622693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143811321 + 2143811322.

It is an arithmetic number, because the mean of its divisors is an integer number (2143811322).

Almost surely, 2^4287622643 is an apocalyptic number.

4287622643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4287622643 is an equidigital number, since it uses as much as digits as its factorization.

4287622643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 44.

The square root of 4287622643 is about 65479.9407681467. The cubic root of 4287622643 is about 1624.5715816407.

The spelling of 4287622643 in words is "four billion, two hundred eighty-seven million, six hundred twenty-two thousand, six hundred forty-three".