9979641382 has 8 divisors (see below), whose sum is σ = 14970571200. Its totient is φ = 4989450984.

The previous prime is 9979641341. The next prime is 9979641383. The reversal of 9979641382 is 2831469799.

9979641382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×9979641382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979641383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149782 + ... + 205897.

It is an arithmetic number, because the mean of its divisors is an integer number (1871321400).

Almost surely, 2^9979641382 is an apocalyptic number.

9979641382 is a deficient number, since it is larger than the sum of its proper divisors (4990929818).

9979641382 is a wasteful number, since it uses less digits than its factorization.

9979641382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369710.

The product of its digits is 5878656, while the sum is 58.

The square root of 9979641382 is about 99898.1550480288. The cubic root of 9979641382 is about 2152.9716529732.

The spelling of 9979641382 in words is "nine billion, nine hundred seventy-nine million, six hundred forty-one thousand, three hundred eighty-two".