426767811673 has 12 divisors (see below), whose sum is σ = 513562955940. Its totient is φ = 353187153312.

The previous prime is 426767811667. The next prime is 426767811689. The reversal of 426767811673 is 376118767624.

It can be written as a sum of positive squares in 2 ways, for example, as 315610251264 + 111157560409 = 561792^2 + 333403^2 .

It is not a de Polignac number, because 426767811673 - 2¹⁷ = 426767680601 is a prime.

It is a super-2 number, since 2×426767811673² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426767811643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150163186 + ... + 150166027.

It is an arithmetic number, because the mean of its divisors is an integer number (42796912995).

Almost surely, 2^426767811673 is an apocalyptic number.

It is an amenable number.

426767811673 is a deficient number, since it is larger than the sum of its proper divisors (86795144267).

426767811673 is a wasteful number, since it uses less digits than its factorization.

426767811673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300329256 (or 300329249 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 58.

The spelling of 426767811673 in words is "four hundred twenty-six billion, seven hundred sixty-seven million, eight hundred eleven thousand, six hundred seventy-three".