9825579434 has 16 divisors (see below), whose sum is σ = 16161534720. Its totient is φ = 4443029760.

The previous prime is 9825579427. The next prime is 9825579443. The reversal of 9825579434 is 4349755289.

It is a super-2 number, since 2×9825579434² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9825579434.

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, 1152794 + ... + 1161285.

It is an arithmetic number, because the mean of its divisors is an integer number (1010095920).

Almost surely, 2^9825579434 is an apocalyptic number.

9825579434 is a deficient number, since it is larger than the sum of its proper divisors (6335955286).

9825579434 is a wasteful number, since it uses less digits than its factorization.

9825579434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314285.

The product of its digits is 10886400, while the sum is 56.

The square root of 9825579434 is about 99124.0608227891. The cubic root of 9825579434 is about 2141.8352261410.

The spelling of 9825579434 in words is "nine billion, eight hundred twenty-five million, five hundred seventy-nine thousand, four hundred thirty-four".