427085753681 has 16 divisors (see below), whose sum is σ = 455531973120. Its totient is φ = 399009711360.

The previous prime is 427085753657. The next prime is 427085753693. The reversal of 427085753681 is 186357580724.

It is a cyclic number.

It is not a de Polignac number, because 427085753681 - 2³⁰ = 426012011857 is a prime.

It is a super-2 number, since 2×427085753681² (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 (427085743681) 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, 24261575 + ... + 24279171.

It is an arithmetic number, because the mean of its divisors is an integer number (28470748320).

Almost surely, 2^427085753681 is an apocalyptic number.

It is an amenable number.

427085753681 is a deficient number, since it is larger than the sum of its proper divisors (28446219439).

427085753681 is a wasteful number, since it uses less digits than its factorization.

427085753681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28024.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 427085753681 in words is "four hundred twenty-seven billion, eighty-five million, seven hundred fifty-three thousand, six hundred eighty-one".