9999830426 has 8 divisors (see below), whose sum is σ = 15002422560. Its totient is φ = 4999022908.

The previous prime is 9999830383. The next prime is 9999830429. The reversal of 9999830426 is 6240389999.

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

It is not an unprimeable number, because it can be changed into a prime (9999830429) 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, 432056 + ... + 454611.

It is an arithmetic number, because the mean of its divisors is an integer number (1875302820).

Almost surely, 2^9999830426 is an apocalyptic number.

9999830426 is a deficient number, since it is larger than the sum of its proper divisors (5002592134).

9999830426 is a wasteful number, since it uses less digits than its factorization.

9999830426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892308.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The square root of 9999830426 is about 99999.1521264056. The cubic root of 9999830426 is about 2154.4225120928.

The spelling of 9999830426 in words is "nine billion, nine hundred ninety-nine million, eight hundred thirty thousand, four hundred twenty-six".