6422551679 has 2 divisors, whose sum is σ = 6422551680. Its totient is φ = 6422551678.

The previous prime is 6422551453. The next prime is 6422551687. The reversal of 6422551679 is 9761552246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6422551679 - 2¹² = 6422547583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422551379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211275839 + 3211275840.

It is an arithmetic number, because the mean of its divisors is an integer number (3211275840).

Almost surely, 2^6422551679 is an apocalyptic number.

6422551679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422551679 is an equidigital number, since it uses as much as digits as its factorization.

6422551679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 6422551679 is about 80140.8240474229. The cubic root of 6422551679 is about 1858.8137191338.

The spelling of 6422551679 in words is "six billion, four hundred twenty-two million, five hundred fifty-one thousand, six hundred seventy-nine".