6622943407 has 2 divisors, whose sum is σ = 6622943408. Its totient is φ = 6622943406.

The previous prime is 6622943401. The next prime is 6622943429. The reversal of 6622943407 is 7043492266.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6622943407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6622943401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311471703 + 3311471704.

It is an arithmetic number, because the mean of its divisors is an integer number (3311471704).

Almost surely, 2^6622943407 is an apocalyptic number.

6622943407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622943407 is an equidigital number, since it uses as much as digits as its factorization.

6622943407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 6622943407 is about 81381.4684495187. The cubic root of 6622943407 is about 1877.9485135760.

The spelling of 6622943407 in words is "six billion, six hundred twenty-two million, nine hundred forty-three thousand, four hundred seven".