9646504369 has 2 divisors, whose sum is σ = 9646504370. Its totient is φ = 9646504368.

The previous prime is 9646504367. The next prime is 9646504379. The reversal of 9646504369 is 9634056469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7146504369 + 2500000000 = 84537^2 + 50000^2 .

It is a cyclic number.

It is not a de Polignac number, because 9646504369 - 2¹ = 9646504367 is a prime.

It is a super-2 number, since 2×9646504369² (a number of 21 digits) contains 22 as substring.

Together with 9646504367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9646504363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4823252184 + 4823252185.

It is an arithmetic number, because the mean of its divisors is an integer number (4823252185).

Almost surely, 2^9646504369 is an apocalyptic number.

It is an amenable number.

9646504369 is a deficient number, since it is larger than the sum of its proper divisors (1).

9646504369 is an equidigital number, since it uses as much as digits as its factorization.

9646504369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The square root of 9646504369 is about 98216.6196170485. The cubic root of 9646504369 is about 2128.7434357873.

The spelling of 9646504369 in words is "nine billion, six hundred forty-six million, five hundred four thousand, three hundred sixty-nine".