9959589801 has 24 divisors (see below), whose sum is σ = 16666457600. Its totient is φ = 5613230016.

The previous prime is 9959589797. The next prime is 9959589847. The reversal of 9959589801 is 1089859599.

It is not a de Polignac number, because 9959589801 - 2² = 9959589797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9959588801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1078201 + ... + 1087398.

Almost surely, 2^9959589801 is an apocalyptic number.

It is an amenable number.

9959589801 is a deficient number, since it is larger than the sum of its proper divisors (6706867799).

9959589801 is a wasteful number, since it uses less digits than its factorization.

9959589801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165685 (or 2165682 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 63.

The square root of 9959589801 is about 99797.7444684999. The cubic root of 9959589801 is about 2151.5287343495.

The spelling of 9959589801 in words is "nine billion, nine hundred fifty-nine million, five hundred eighty-nine thousand, eight hundred one".