5646391171 has 8 divisors (see below), whose sum is σ = 5700890624. Its totient is φ = 5592048840.

The previous prime is 5646391159. The next prime is 5646391183. The reversal of 5646391171 is 1711936465.

It is an interprime number because it is at equal distance from previous prime (5646391159) and next prime (5646391183).

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 5646391171 - 2¹⁹ = 5645866883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5646391151) 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, 33586 + ... + 111448.

It is an arithmetic number, because the mean of its divisors is an integer number (712611328).

Almost surely, 2^5646391171 is an apocalyptic number.

5646391171 is a deficient number, since it is larger than the sum of its proper divisors (54499453).

5646391171 is a wasteful number, since it uses less digits than its factorization.

5646391171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78561.

The product of its digits is 136080, while the sum is 43.

The square root of 5646391171 is about 75142.4724839421. The cubic root of 5646391171 is about 1780.6982038747.

The spelling of 5646391171 in words is "five billion, six hundred forty-six million, three hundred ninety-one thousand, one hundred seventy-one".