426685727573 has 16 divisors (see below), whose sum is σ = 495898260480. Its totient is φ = 359543923200.

The previous prime is 426685727569. The next prime is 426685727593. The reversal of 426685727573 is 375727586624.

It is not a de Polignac number, because 426685727573 - 2² = 426685727569 is a prime.

It is a super-2 number, since 2×426685727573² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426685727593) 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 in 15 ways as a sum of consecutive naturals, for example, 542108 + ... + 1071098.

It is an arithmetic number, because the mean of its divisors is an integer number (30993641280).

Almost surely, 2^426685727573 is an apocalyptic number.

It is an amenable number.

426685727573 is a deficient number, since it is larger than the sum of its proper divisors (69212532907).

426685727573 is a wasteful number, since it uses less digits than its factorization.

426685727573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530948.

The product of its digits is 118540800, while the sum is 62.

The spelling of 426685727573 in words is "four hundred twenty-six billion, six hundred eighty-five million, seven hundred twenty-seven thousand, five hundred seventy-three".