9213975553 has 2 divisors, whose sum is σ = 9213975554. Its totient is φ = 9213975552.

The previous prime is 9213975523. The next prime is 9213975557. The reversal of 9213975553 is 3555793129.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9196234609 + 17740944 = 95897^2 + 4212^2 .

It is a cyclic number.

It is not a de Polignac number, because 9213975553 - 2¹⁷ = 9213844481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9213975497 and 9213975506.

It is not a weakly prime, because it can be changed into another prime (9213975557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4606987776 + 4606987777.

It is an arithmetic number, because the mean of its divisors is an integer number (4606987777).

Almost surely, 2^9213975553 is an apocalyptic number.

It is an amenable number.

9213975553 is a deficient number, since it is larger than the sum of its proper divisors (1).

9213975553 is an equidigital number, since it uses as much as digits as its factorization.

9213975553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1275750, while the sum is 49.

The square root of 9213975553 is about 95989.4554261040. The cubic root of 9213975553 is about 2096.4395869937.

The spelling of 9213975553 in words is "nine billion, two hundred thirteen million, nine hundred seventy-five thousand, five hundred fifty-three".