9985326601 has 8 divisors (see below), whose sum is σ = 10606056840. Its totient is φ = 9368302848.

The previous prime is 9985326587. The next prime is 9985326643. The reversal of 9985326601 is 1066235899.

It can be written as a sum of positive squares in 4 ways, for example, as 1320201 + 9984006400 = 1149^2 + 99920^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9985326601 - 2⁵ = 9985326569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9985306601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921066 + ... + 931843.

It is an arithmetic number, because the mean of its divisors is an integer number (1325757105).

Almost surely, 2^9985326601 is an apocalyptic number.

It is an amenable number.

9985326601 is a deficient number, since it is larger than the sum of its proper divisors (620730239).

9985326601 is a wasteful number, since it uses less digits than its factorization.

9985326601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853243.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 9985326601 is about 99926.6060716564. The cubic root of 9985326601 is about 2153.3804115411.

The spelling of 9985326601 in words is "nine billion, nine hundred eighty-five million, three hundred twenty-six thousand, six hundred one".