8471129213 has 8 divisors (see below), whose sum is σ = 8564672760. Its totient is φ = 8377712640.

The previous prime is 8471129197. The next prime is 8471129237. The reversal of 8471129213 is 3129211748.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47927929 + 8423201284 = 6923^2 + 91778^2 .

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 8471129213 - 2⁴ = 8471129197 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 (8471129263) 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, 105683 + ... + 167663.

It is an arithmetic number, because the mean of its divisors is an integer number (1070584095).

Almost surely, 2^8471129213 is an apocalyptic number.

It is an amenable number.

8471129213 is a deficient number, since it is larger than the sum of its proper divisors (93543547).

8471129213 is a wasteful number, since it uses less digits than its factorization.

8471129213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63487.

The product of its digits is 24192, while the sum is 38.

The square root of 8471129213 is about 92038.7375673960. The cubic root of 8471129213 is about 2038.5143300752.

The spelling of 8471129213 in words is "eight billion, four hundred seventy-one million, one hundred twenty-nine thousand, two hundred thirteen".