4051338685 has 8 divisors (see below), whose sum is σ = 4892573016. Its totient is φ = 3220426560.

The previous prime is 4051338679. The next prime is 4051338691. The reversal of 4051338685 is 5868331504.

It is an interprime number because it is at equal distance from previous prime (4051338679) and next prime (4051338691).

It can be written as a sum of positive squares in 4 ways, for example, as 105740089 + 3945598596 = 10283^2 + 62814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4051338685 - 2³ = 4051338677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2579686 + ... + 2581255.

It is an arithmetic number, because the mean of its divisors is an integer number (611571627).

Almost surely, 2^4051338685 is an apocalyptic number.

It is an amenable number.

4051338685 is a deficient number, since it is larger than the sum of its proper divisors (841234331).

4051338685 is a wasteful number, since it uses less digits than its factorization.

4051338685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161103.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 4051338685 is about 63650.1271404857. The cubic root of 4051338685 is about 1594.1634597464.

The spelling of 4051338685 in words is "four billion, fifty-one million, three hundred thirty-eight thousand, six hundred eighty-five".