4284533681 has 4 divisors (see below), whose sum is σ = 4536565092. Its totient is φ = 4032502272.

The previous prime is 4284533663. The next prime is 4284533683. The reversal of 4284533681 is 1863354824.

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 2538547456 + 1745986225 = 50384^2 + 41785^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4284533681 is a prime.

It is a super-2 number, since 2×4284533681² = 36714457727246819522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4284533683) 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, 126015680 + ... + 126015713.

It is an arithmetic number, because the mean of its divisors is an integer number (1134141273).

Almost surely, 2^4284533681 is an apocalyptic number.

It is an amenable number.

4284533681 is a deficient number, since it is larger than the sum of its proper divisors (252031411).

4284533681 is a wasteful number, since it uses less digits than its factorization.

4284533681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252031410.

The product of its digits is 552960, while the sum is 44.

The square root of 4284533681 is about 65456.3494322743. The cubic root of 4284533681 is about 1624.1813540880.

The spelling of 4284533681 in words is "four billion, two hundred eighty-four million, five hundred thirty-three thousand, six hundred eighty-one".