93989453 has 2 divisors, whose sum is σ = 93989454. Its totient is φ = 93989452.

The previous prime is 93989417. The next prime is 93989473. The reversal of 93989453 is 35498939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93354244 + 635209 = 9662^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 93989453 - 2⁸ = 93989197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93989473) 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 as a sum of consecutive naturals, namely, 46994726 + 46994727.

It is an arithmetic number, because the mean of its divisors is an integer number (46994727).

Almost surely, 2^93989453 is an apocalyptic number.

It is an amenable number.

93989453 is a deficient number, since it is larger than the sum of its proper divisors (1).

93989453 is an equidigital number, since it uses as much as digits as its factorization.

93989453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The square root of 93989453 is about 9694.8157795803. The cubic root of 93989453 is about 454.6665882527. Note that the first 3 decimals are identical.

The spelling of 93989453 in words is "ninety-three million, nine hundred eighty-nine thousand, four hundred fifty-three".