9517984901 has 16 divisors (see below), whose sum is σ = 9926737920. Its totient is φ = 9115953840.

The previous prime is 9517984897. The next prime is 9517984909. The reversal of 9517984901 is 1094897159.

It is a cyclic number.

It is not a de Polignac number, because 9517984901 - 2² = 9517984897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9517984909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725590 + ... + 1731096.

It is an arithmetic number, because the mean of its divisors is an integer number (620421120).

Almost surely, 2^9517984901 is an apocalyptic number.

It is an amenable number.

9517984901 is a deficient number, since it is larger than the sum of its proper divisors (408753019).

9517984901 is a wasteful number, since it uses less digits than its factorization.

9517984901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104.

The product of its (nonzero) digits is 816480, while the sum is 53.

The square root of 9517984901 is about 97560.1604190973. The cubic root of 9517984901 is about 2119.2474560650.

The spelling of 9517984901 in words is "nine billion, five hundred seventeen million, nine hundred eighty-four thousand, nine hundred one".