4643222661739 has 2 divisors, whose sum is σ = 4643222661740. Its totient is φ = 4643222661738.

The previous prime is 4643222661709. The next prime is 4643222661793. The reversal of 4643222661739 is 9371662223464.

It is a happy number.

Together with next prime (4643222661793) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4643222661739 - 2¹⁵ = 4643222628971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4643222661739.

It is not a weakly prime, because it can be changed into another prime (4643222661709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321611330869 + 2321611330870.

It is an arithmetic number, because the mean of its divisors is an integer number (2321611330870).

Almost surely, 2^{4643222661739} is an apocalyptic number.

4643222661739 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643222661739 is an equidigital number, since it uses as much as digits as its factorization.

4643222661739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 55.

The spelling of 4643222661739 in words is "four trillion, six hundred forty-three billion, two hundred twenty-two million, six hundred sixty-one thousand, seven hundred thirty-nine".