4643222661839 has 2 divisors, whose sum is σ = 4643222661840. Its totient is φ = 4643222661838.

The previous prime is 4643222661823. The next prime is 4643222661877. The reversal of 4643222661839 is 9381662223464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4643222661839 - 2⁴ = 4643222661823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4643222661139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321611330919 + 2321611330920.

It is an arithmetic number, because the mean of its divisors is an integer number (2321611330920).

Almost surely, 2^{4643222661839} is an apocalyptic number.

4643222661839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643222661839 is an equidigital number, since it uses as much as digits as its factorization.

4643222661839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 56.

The spelling of 4643222661839 in words is "four trillion, six hundred forty-three billion, two hundred twenty-two million, six hundred sixty-one thousand, eight hundred thirty-nine".