6427421159 has 2 divisors, whose sum is σ = 6427421160. Its totient is φ = 6427421158.

The previous prime is 6427421123. The next prime is 6427421167. The reversal of 6427421159 is 9511247246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6427421159 - 2²⁰ = 6426372583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6427421179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213710579 + 3213710580.

It is an arithmetic number, because the mean of its divisors is an integer number (3213710580).

Almost surely, 2^6427421159 is an apocalyptic number.

6427421159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6427421159 is an equidigital number, since it uses as much as digits as its factorization.

6427421159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 6427421159 is about 80171.1990617578. The cubic root of 6427421159 is about 1859.2833751255.

The spelling of 6427421159 in words is "six billion, four hundred twenty-seven million, four hundred twenty-one thousand, one hundred fifty-nine".