6422031377 has 2 divisors, whose sum is σ = 6422031378. Its totient is φ = 6422031376.

The previous prime is 6422031337. The next prime is 6422031379. The reversal of 6422031377 is 7731302246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5368639441 + 1053391936 = 73271^2 + 32456^2 .

It is a cyclic number.

It is not a de Polignac number, because 6422031377 - 2⁶ = 6422031313 is a prime.

It is a super-2 number, since 2×6422031377² = 82484974014345032258, which contains 22 as substring.

Together with 6422031379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6422031379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211015688 + 3211015689.

It is an arithmetic number, because the mean of its divisors is an integer number (3211015689).

Almost surely, 2^6422031377 is an apocalyptic number.

It is an amenable number.

6422031377 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422031377 is an equidigital number, since it uses as much as digits as its factorization.

6422031377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 6422031377 is about 80137.5778084164. The cubic root of 6422031377 is about 1858.7635225421.

The spelling of 6422031377 in words is "six billion, four hundred twenty-two million, thirty-one thousand, three hundred seventy-seven".