5671322591 has 4 divisors (see below), whose sum is σ = 6186897384. Its totient is φ = 5155747800.

The previous prime is 5671322533. The next prime is 5671322599. The reversal of 5671322591 is 1952231765.

5671322591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5671322591 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 (5671322599) 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, 257787380 + ... + 257787401.

It is an arithmetic number, because the mean of its divisors is an integer number (1546724346).

Almost surely, 2^5671322591 is an apocalyptic number.

5671322591 is a deficient number, since it is larger than the sum of its proper divisors (515574793).

5671322591 is a wasteful number, since it uses less digits than its factorization.

5671322591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515574792.

The product of its digits is 113400, while the sum is 41.

The square root of 5671322591 is about 75308.1840904427. The cubic root of 5671322591 is about 1783.3152236862.

The spelling of 5671322591 in words is "five billion, six hundred seventy-one million, three hundred twenty-two thousand, five hundred ninety-one".