6425546171 has 6 divisors (see below), whose sum is σ = 7009976772. Its totient is φ = 5841163920.

The previous prime is 6425546159. The next prime is 6425546191. The reversal of 6425546171 is 1716455246.

It is a de Polignac number, because none of the positive numbers 2^k-6425546171 is a prime.

It is a super-2 number, since 2×6425546171² = 82575287191305522482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6425546191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253775 + ... + 277943.

It is an arithmetic number, because the mean of its divisors is an integer number (1168329462).

Almost surely, 2^6425546171 is an apocalyptic number.

6425546171 is a deficient number, since it is larger than the sum of its proper divisors (584430601).

6425546171 is an frugal number, since it uses more digits than its factorization.

6425546171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48349 (or 24180 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 6425546171 is about 80159.5045580997. The cubic root of 6425546171 is about 1859.1025626880.

The spelling of 6425546171 in words is "six billion, four hundred twenty-five million, five hundred forty-six thousand, one hundred seventy-one".