427749333559 has 4 divisors (see below), whose sum is σ = 427929744760. Its totient is φ = 427568922360.

The previous prime is 427749333527. The next prime is 427749333581. The reversal of 427749333559 is 955333947724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427749333559 - 2⁵ = 427749333527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427749333497 and 427749333506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427749333589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90202044 + ... + 90206785.

It is an arithmetic number, because the mean of its divisors is an integer number (106982436190).

Almost surely, 2^427749333559 is an apocalyptic number.

427749333559 is a deficient number, since it is larger than the sum of its proper divisors (180411201).

427749333559 is a wasteful number, since it uses less digits than its factorization.

427749333559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180411200.

The product of its digits is 85730400, while the sum is 61.

The spelling of 427749333559 in words is "four hundred twenty-seven billion, seven hundred forty-nine million, three hundred thirty-three thousand, five hundred fifty-nine".