6426068569 has 2 divisors, whose sum is σ = 6426068570. Its totient is φ = 6426068568.

The previous prime is 6426068563. The next prime is 6426068587. The reversal of 6426068569 is 9658606246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4919619600 + 1506448969 = 70140^2 + 38813^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426068569 - 2²¹ = 6423971417 is a prime.

It is a super-2 number, since 2×6426068569² = 82588714506979415522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6426068563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213034284 + 3213034285.

It is an arithmetic number, because the mean of its divisors is an integer number (3213034285).

Almost surely, 2^6426068569 is an apocalyptic number.

It is an amenable number.

6426068569 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426068569 is an equidigital number, since it uses as much as digits as its factorization.

6426068569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 6426068569 is about 80162.7629825719. The cubic root of 6426068569 is about 1859.1529431079.

The spelling of 6426068569 in words is "six billion, four hundred twenty-six million, sixty-eight thousand, five hundred sixty-nine".