9364676521 has 2 divisors, whose sum is σ = 9364676522. Its totient is φ = 9364676520.

The previous prime is 9364676401. The next prime is 9364676537. The reversal of 9364676521 is 1256764639.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8038915600 + 1325760921 = 89660^2 + 36411^2 .

It is a cyclic number.

It is not a de Polignac number, because 9364676521 - 2²⁵ = 9331122089 is a prime.

It is not a weakly prime, because it can be changed into another prime (9364676621) 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 as a sum of consecutive naturals, namely, 4682338260 + 4682338261.

It is an arithmetic number, because the mean of its divisors is an integer number (4682338261).

Almost surely, 2^9364676521 is an apocalyptic number.

It is an amenable number.

9364676521 is a deficient number, since it is larger than the sum of its proper divisors (1).

9364676521 is an equidigital number, since it uses as much as digits as its factorization.

9364676521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 9364676521 is about 96771.2587548596. The cubic root of 9364676521 is about 2107.8074092643.

The spelling of 9364676521 in words is "nine billion, three hundred sixty-four million, six hundred seventy-six thousand, five hundred twenty-one".