9639882471 has 4 divisors (see below), whose sum is σ = 12853176632. Its totient is φ = 6426588312.

The previous prime is 9639882401. The next prime is 9639882559. The reversal of 9639882471 is 1742889369.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9639882471 - 2⁹ = 9639881959 is a prime.

It is a super-3 number, since 3×9639882471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9639882401) 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, 1606647076 + ... + 1606647081.

It is an arithmetic number, because the mean of its divisors is an integer number (3213294158).

Almost surely, 2^9639882471 is an apocalyptic number.

9639882471 is a deficient number, since it is larger than the sum of its proper divisors (3213294161).

9639882471 is a wasteful number, since it uses less digits than its factorization.

9639882471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213294160.

The product of its digits is 5225472, while the sum is 57.

The square root of 9639882471 is about 98182.9031501921. The cubic root of 9639882471 is about 2128.2562282597.

The spelling of 9639882471 in words is "nine billion, six hundred thirty-nine million, eight hundred eighty-two thousand, four hundred seventy-one".