426262676561 has 2 divisors, whose sum is σ = 426262676562. Its totient is φ = 426262676560.

The previous prime is 426262676519. The next prime is 426262676633. The reversal of 426262676561 is 165676262624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361959860161 + 64302816400 = 601631^2 + 253580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426262676561 is a prime.

It is not a weakly prime, because it can be changed into another prime (426262676261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213131338280 + 213131338281.

It is an arithmetic number, because the mean of its divisors is an integer number (213131338281).

Almost surely, 2^426262676561 is an apocalyptic number.

It is an amenable number.

426262676561 is a deficient number, since it is larger than the sum of its proper divisors (1).

426262676561 is an equidigital number, since it uses as much as digits as its factorization.

426262676561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 53.

The spelling of 426262676561 in words is "four hundred twenty-six billion, two hundred sixty-two million, six hundred seventy-six thousand, five hundred sixty-one".