4028224643 has 2 divisors, whose sum is σ = 4028224644. Its totient is φ = 4028224642.

The previous prime is 4028224597. The next prime is 4028224679. The reversal of 4028224643 is 3464228204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4028224643 is a prime.

It is not a weakly prime, because it can be changed into another prime (4028224043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014112321 + 2014112322.

It is an arithmetic number, because the mean of its divisors is an integer number (2014112322).

Almost surely, 2^4028224643 is an apocalyptic number.

4028224643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028224643 is an equidigital number, since it uses as much as digits as its factorization.

4028224643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

The square root of 4028224643 is about 63468.2963612543. The cubic root of 4028224643 is about 1591.1259568145.

The spelling of 4028224643 in words is "four billion, twenty-eight million, two hundred twenty-four thousand, six hundred forty-three".