426969222076469 has 2 divisors, whose sum is σ = 426969222076470. Its totient is φ = 426969222076468.

The previous prime is 426969222076459. The next prime is 426969222076513. The reversal of 426969222076469 is 964670222969624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279246224478244 + 147722997598225 = 16710662^2 + 12154135^2 .

It is a cyclic number.

It is not a de Polignac number, because 426969222076469 - 2⁸ = 426969222076213 is a prime.

It is a super-2 number, since 2×426969222076469² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426969222076396 and 426969222076405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426969222076429) 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, 213484611038234 + 213484611038235.

It is an arithmetic number, because the mean of its divisors is an integer number (213484611038235).

Almost surely, 2^{426969222076469} is an apocalyptic number.

It is an amenable number.

426969222076469 is a deficient number, since it is larger than the sum of its proper divisors (1).

426969222076469 is an equidigital number, since it uses as much as digits as its factorization.

426969222076469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693052928, while the sum is 74.

The spelling of 426969222076469 in words is "four hundred twenty-six trillion, nine hundred sixty-nine billion, two hundred twenty-two million, seventy-six thousand, four hundred sixty-nine".