6434226157 has 2 divisors, whose sum is σ = 6434226158. Its totient is φ = 6434226156.

The previous prime is 6434226133. The next prime is 6434226167. The reversal of 6434226157 is 7516224346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6357032361 + 77193796 = 79731^2 + 8786^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434226157 - 2²³ = 6425837549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6434226167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217113078 + 3217113079.

It is an arithmetic number, because the mean of its divisors is an integer number (3217113079).

Almost surely, 2^6434226157 is an apocalyptic number.

It is an amenable number.

6434226157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434226157 is an equidigital number, since it uses as much as digits as its factorization.

6434226157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 6434226157 is about 80213.6282498180. The cubic root of 6434226157 is about 1859.9393124879.

The spelling of 6434226157 in words is "six billion, four hundred thirty-four million, two hundred twenty-six thousand, one hundred fifty-seven".