9834520442 has 16 divisors (see below), whose sum is σ = 14894049312. Its totient is φ = 4869864720.

The previous prime is 9834520393. The next prime is 9834520453. The reversal of 9834520442 is 2440254389.

It is a self number, because there is not a number n which added to its sum of digits gives 9834520442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360217 + ... + 1367427.

It is an arithmetic number, because the mean of its divisors is an integer number (930878082).

Almost surely, 2^9834520442 is an apocalyptic number.

9834520442 is a deficient number, since it is larger than the sum of its proper divisors (5059528870).

9834520442 is a wasteful number, since it uses less digits than its factorization.

9834520442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 9834520442 is about 99169.1506568449. The cubic root of 9834520442 is about 2142.4846996316.

The spelling of 9834520442 in words is "nine billion, eight hundred thirty-four million, five hundred twenty thousand, four hundred forty-two".