8146399641 has 8 divisors (see below), whose sum is σ = 10886610240. Its totient is φ = 5418561072.

The previous prime is 8146399589. The next prime is 8146399649. The reversal of 8146399641 is 1469936418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8146399641 - 2¹⁴ = 8146383257 is a prime.

It is a super-2 number, since 2×8146399641² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8146399649) 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, 3091470 + ... + 3094103.

It is an arithmetic number, because the mean of its divisors is an integer number (1360826280).

Almost surely, 2^8146399641 is an apocalyptic number.

It is an amenable number.

8146399641 is a deficient number, since it is larger than the sum of its proper divisors (2740210599).

8146399641 is a wasteful number, since it uses less digits than its factorization.

8146399641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186015.

The product of its digits is 1119744, while the sum is 51.

The square root of 8146399641 is about 90257.4076793700. The cubic root of 8146399641 is about 2012.1262979377.

The spelling of 8146399641 in words is "eight billion, one hundred forty-six million, three hundred ninety-nine thousand, six hundred forty-one".