6622431443 has 2 divisors, whose sum is σ = 6622431444. Its totient is φ = 6622431442.

The previous prime is 6622431407. The next prime is 6622431449. The reversal of 6622431443 is 3441342266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6622431443 - 2⁸ = 6622431187 is a prime.

It is not a weakly prime, because it can be changed into another prime (6622431449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311215721 + 3311215722.

It is an arithmetic number, because the mean of its divisors is an integer number (3311215722).

Almost surely, 2^6622431443 is an apocalyptic number.

6622431443 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622431443 is an equidigital number, since it uses as much as digits as its factorization.

6622431443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

The square root of 6622431443 is about 81378.3229306183. The cubic root of 6622431443 is about 1877.9001228657.

The spelling of 6622431443 in words is "six billion, six hundred twenty-two million, four hundred thirty-one thousand, four hundred forty-three".