426611081 has 8 divisors (see below), whose sum is σ = 459588864. Its totient is φ = 393656400.

The previous prime is 426611023. The next prime is 426611099. The reversal of 426611081 is 180116624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426611081 is a prime.

It is a super-3 number, since 3×426611081³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426611011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62906 + ... + 69356.

It is an arithmetic number, because the mean of its divisors is an integer number (57448608).

Almost surely, 2^426611081 is an apocalyptic number.

It is an amenable number.

426611081 is a deficient number, since it is larger than the sum of its proper divisors (32977783).

426611081 is a wasteful number, since it uses less digits than its factorization.

426611081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 426611081 is about 20654.5656211889. The cubic root of 426611081 is about 752.7961291131.

The spelling of 426611081 in words is "four hundred twenty-six million, six hundred eleven thousand, eighty-one".