3801647705 has 8 divisors (see below), whose sum is σ = 4574209992. Its totient is φ = 3033163008.

The previous prime is 3801647701. The next prime is 3801647719. The reversal of 3801647705 is 5077461083.

3801647705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 339149056 + 3462498649 = 18416^2 + 58843^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3801647705 - 2² = 3801647701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3801647701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017344 + ... + 1021073.

It is an arithmetic number, because the mean of its divisors is an integer number (571776249).

Almost surely, 2^3801647705 is an apocalyptic number.

It is an amenable number.

3801647705 is a deficient number, since it is larger than the sum of its proper divisors (772562287).

3801647705 is a wasteful number, since it uses less digits than its factorization.

3801647705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038795.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 3801647705 is about 61657.5032335887. The cubic root of 3801647705 is about 1560.7162644682.

The spelling of 3801647705 in words is "three billion, eight hundred one million, six hundred forty-seven thousand, seven hundred five".