9549002961 has 9 divisors (see below), whose sum is σ = 13793427739. Its totient is φ = 6365806536.

The previous prime is 9549002933. The next prime is 9549002971. The reversal of 9549002961 is 1692009459.

The square root of 9549002961 is 97719.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70812225 + 9478190736 = 8415^2 + 97356^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 9549002961 - 2²⁵ = 9515448529 is a prime.

It is a super-3 number, since 3×9549002961³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9549002921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 276871 + ... + 309443.

Almost surely, 2^9549002961 is an apocalyptic number.

9549002961 is the 97719-th square number.

9549002961 is the 48860-th centered octagonal number.

It is an amenable number.

9549002961 is a deficient number, since it is larger than the sum of its proper divisors (4244424778).

9549002961 is an frugal number, since it uses more digits than its factorization.

9549002961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65152 (or 32576 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The cubic root of 9549002961 is about 2121.5470908020.

The spelling of 9549002961 in words is "nine billion, five hundred forty-nine million, two thousand, nine hundred sixty-one".