9764947253 has 4 divisors (see below), whose sum is σ = 9766315020. Its totient is φ = 9763579488.

The previous prime is 9764947243. The next prime is 9764947259. The reversal of 9764947253 is 3527494679.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9452117284 + 312829969 = 97222^2 + 17687^2 .

It is a cyclic number.

It is not a de Polignac number, because 9764947253 - 2⁶ = 9764947189 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 (9764947259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673118 + ... + 687471.

It is an arithmetic number, because the mean of its divisors is an integer number (2441578755).

Almost surely, 2^9764947253 is an apocalyptic number.

It is an amenable number.

9764947253 is a deficient number, since it is larger than the sum of its proper divisors (1367767).

9764947253 is a wasteful number, since it uses less digits than its factorization.

9764947253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367766.

The product of its digits is 11430720, while the sum is 56.

The square root of 9764947253 is about 98817.7476620470. The cubic root of 9764947253 is about 2137.4204844763.

The spelling of 9764947253 in words is "nine billion, seven hundred sixty-four million, nine hundred forty-seven thousand, two hundred fifty-three".