3801320671 has 4 divisors (see below), whose sum is σ = 4001390200. Its totient is φ = 3601251144.

The previous prime is 3801320651. The next prime is 3801320687. The reversal of 3801320671 is 1760231083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1760231083 = 13 ⋅135402391.

It is a cyclic number.

It is not a de Polignac number, because 3801320671 - 2⁵ = 3801320639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801320651) 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, 100034736 + ... + 100034773.

It is an arithmetic number, because the mean of its divisors is an integer number (1000347550).

Almost surely, 2^3801320671 is an apocalyptic number.

3801320671 is a deficient number, since it is larger than the sum of its proper divisors (200069529).

3801320671 is a wasteful number, since it uses less digits than its factorization.

3801320671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200069528.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3801320671 is about 61654.8511554444. The cubic root of 3801320671 is about 1560.6715100215.

The spelling of 3801320671 in words is "three billion, eight hundred one million, three hundred twenty thousand, six hundred seventy-one".