9665554411 has 4 divisors (see below), whose sum is σ = 9679706712. Its totient is φ = 9651402112.

The previous prime is 9665554373. The next prime is 9665554439. The reversal of 9665554411 is 1144555669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1144555669 = 37 ⋅30933937.

It is a cyclic number.

It is not a de Polignac number, because 9665554411 - 2⁹ = 9665553899 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9665558411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7075126 + ... + 7076491.

It is an arithmetic number, because the mean of its divisors is an integer number (2419926678).

Almost surely, 2^9665554411 is an apocalyptic number.

9665554411 is a deficient number, since it is larger than the sum of its proper divisors (14152301).

9665554411 is a wasteful number, since it uses less digits than its factorization.

9665554411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14152300.

The product of its digits is 648000, while the sum is 46.

The square root of 9665554411 is about 98313.5515124950. The cubic root of 9665554411 is about 2130.1438044225.

The spelling of 9665554411 in words is "nine billion, six hundred sixty-five million, five hundred fifty-four thousand, four hundred eleven".