8412171641 has 4 divisors (see below), whose sum is σ = 8417830272. Its totient is φ = 8406513012.

The previous prime is 8412171619. The next prime is 8412171673. The reversal of 8412171641 is 1461712148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8412171641 - 2¹⁸ = 8411909497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8412171601) 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, 2827085 + ... + 2830058.

It is an arithmetic number, because the mean of its divisors is an integer number (2104457568).

Almost surely, 2^8412171641 is an apocalyptic number.

It is an amenable number.

8412171641 is a deficient number, since it is larger than the sum of its proper divisors (5658631).

8412171641 is a wasteful number, since it uses less digits than its factorization.

8412171641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658630.

The product of its digits is 10752, while the sum is 35.

The square root of 8412171641 is about 91717.8916079082. The cubic root of 8412171641 is about 2033.7740819677.

Adding to 8412171641 its reverse (1461712148), we get a palindrome (9873883789).

The spelling of 8412171641 in words is "eight billion, four hundred twelve million, one hundred seventy-one thousand, six hundred forty-one".