427599204481 has 4 divisors (see below), whose sum is σ = 427601626672. Its totient is φ = 427596782292.

The previous prime is 427599204397. The next prime is 427599204523. The reversal of 427599204481 is 184402995724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427599204481 - 2¹⁷ = 427599073409 is a prime.

It is a super-2 number, since 2×427599204481² (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 (427599274481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923535 + ... + 1306948.

It is an arithmetic number, because the mean of its divisors is an integer number (106900406668).

Almost surely, 2^427599204481 is an apocalyptic number.

It is an amenable number.

427599204481 is a deficient number, since it is larger than the sum of its proper divisors (2422191).

427599204481 is a wasteful number, since it uses less digits than its factorization.

427599204481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422190.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 427599204481 in words is "four hundred twenty-seven billion, five hundred ninety-nine million, two hundred four thousand, four hundred eighty-one".