4380806521871 has 32 divisors (see below), whose sum is σ = 5216332692480. Its totient is φ = 3640155552000.

The previous prime is 4380806521813. The next prime is 4380806521907. The reversal of 4380806521871 is 1781256080834.

It is a cyclic number.

It is not a de Polignac number, because 4380806521871 - 2¹⁴ = 4380806505487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380806526871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695590 + ... + 3411251.

It is an arithmetic number, because the mean of its divisors is an integer number (163010396640).

Almost surely, 2^{4380806521871} is an apocalyptic number.

4380806521871 is a deficient number, since it is larger than the sum of its proper divisors (835526170609).

4380806521871 is a wasteful number, since it uses less digits than its factorization.

4380806521871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107047.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 4380806521871 in words is "four trillion, three hundred eighty billion, eight hundred six million, five hundred twenty-one thousand, eight hundred seventy-one".