427834544801 has 4 divisors (see below), whose sum is σ = 427836685332. Its totient is φ = 427832404272.

The previous prime is 427834544783. The next prime is 427834544821. The reversal of 427834544801 is 108445438724.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65267986576 + 362566558225 = 255476^2 + 602135^2 .

It is a cyclic number.

It is not a de Polignac number, because 427834544801 - 2¹⁰ = 427834543777 is a prime.

It is a super-2 number, since 2×427834544801² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427834544801.

It is not an unprimeable number, because it can be changed into a prime (427834544821) 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 3 ways as a sum of consecutive naturals, for example, 735566 + ... + 1181831.

It is an arithmetic number, because the mean of its divisors is an integer number (106959171333).

Almost surely, 2^427834544801 is an apocalyptic number.

It is an amenable number.

427834544801 is a deficient number, since it is larger than the sum of its proper divisors (2140531).

427834544801 is a wasteful number, since it uses less digits than its factorization.

427834544801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140530.

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 427834544801 in words is "four hundred twenty-seven billion, eight hundred thirty-four million, five hundred forty-four thousand, eight hundred one".