442727134531 has 4 divisors (see below), whose sum is σ = 482975055864. Its totient is φ = 402479213200.

The previous prime is 442727134529. The next prime is 442727134541. The reversal of 442727134531 is 135431727244.

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 442727134531 - 2¹ = 442727134529 is a prime.

It is a super-3 number, since 3×442727134531³ (a number of 36 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 (442727134541) 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, 20123960650 + ... + 20123960671.

It is an arithmetic number, because the mean of its divisors is an integer number (120743763966).

Almost surely, 2^442727134531 is an apocalyptic number.

442727134531 is a deficient number, since it is larger than the sum of its proper divisors (40247921333).

442727134531 is a wasteful number, since it uses less digits than its factorization.

442727134531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40247921332.

The product of its digits is 564480, while the sum is 43.

It can be divided in two parts, 44272713 and 4531, that added together give a palindrome (44277244).

The spelling of 442727134531 in words is "four hundred forty-two billion, seven hundred twenty-seven million, one hundred thirty-four thousand, five hundred thirty-one".