9653478261 has 64 divisors (see below), whose sum is σ = 15160836096. Its totient is φ = 5350795200.

The previous prime is 9653478251. The next prime is 9653478287. The reversal of 9653478261 is 1628743569.

It is not a de Polignac number, because 9653478261 - 2¹⁰ = 9653477237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9653478251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35621556 + ... + 35621826.

It is an arithmetic number, because the mean of its divisors is an integer number (236888064).

Almost surely, 2^9653478261 is an apocalyptic number.

It is an amenable number.

9653478261 is a deficient number, since it is larger than the sum of its proper divisors (5507357835).

9653478261 is a wasteful number, since it uses less digits than its factorization.

9653478261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its digits is 2177280, while the sum is 51.

The square root of 9653478261 is about 98252.1158092791. The cubic root of 9653478261 is about 2129.2563003498.

The spelling of 9653478261 in words is "nine billion, six hundred fifty-three million, four hundred seventy-eight thousand, two hundred sixty-one".