9139923553 has 2 divisors, whose sum is σ = 9139923554. Its totient is φ = 9139923552.

The previous prime is 9139923509. The next prime is 9139923587. The reversal of 9139923553 is 3553299319.

9139923553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7106995809 + 2032927744 = 84303^2 + 45088^2 .

It is a cyclic number.

It is not a de Polignac number, because 9139923553 - 2⁹ = 9139923041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9139923497 and 9139923506.

It is not a weakly prime, because it can be changed into another prime (9139920553) 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, 4569961776 + 4569961777.

It is an arithmetic number, because the mean of its divisors is an integer number (4569961777).

Almost surely, 2^9139923553 is an apocalyptic number.

It is an amenable number.

9139923553 is a deficient number, since it is larger than the sum of its proper divisors (1).

9139923553 is an equidigital number, since it uses as much as digits as its factorization.

9139923553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 984150, while the sum is 49.

The square root of 9139923553 is about 95602.9474074937. The cubic root of 9139923553 is about 2090.8081665810.

The spelling of 9139923553 in words is "nine billion, one hundred thirty-nine million, nine hundred twenty-three thousand, five hundred fifty-three".