6422371957 has 2 divisors, whose sum is σ = 6422371958. Its totient is φ = 6422371956.

The previous prime is 6422371951. The next prime is 6422371973. The reversal of 6422371957 is 7591732246.

6422371957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5952739716 + 469632241 = 77154^2 + 21671^2 .

It is a cyclic number.

It is not a de Polignac number, because 6422371957 - 2¹¹ = 6422369909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422371951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211185978 + 3211185979.

It is an arithmetic number, because the mean of its divisors is an integer number (3211185979).

Almost surely, 2^6422371957 is an apocalyptic number.

It is an amenable number.

6422371957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422371957 is an equidigital number, since it uses as much as digits as its factorization.

6422371957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The square root of 6422371957 is about 80139.7027508837. The cubic root of 6422371957 is about 1858.7963806027.

The spelling of 6422371957 in words is "six billion, four hundred twenty-two million, three hundred seventy-one thousand, nine hundred fifty-seven".