63453493 has 2 divisors, whose sum is σ = 63453494. Its totient is φ = 63453492.

The previous prime is 63453491. The next prime is 63453539. The reversal of 63453493 is 39435436.

63453493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 12659364 = 7127^2 + 3558^2 .

It is a cyclic number.

It is not a de Polignac number, because 63453493 - 2¹ = 63453491 is a prime.

Together with 63453491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63453491) 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, 31726746 + 31726747.

It is an arithmetic number, because the mean of its divisors is an integer number (31726747).

Almost surely, 2^63453493 is an apocalyptic number.

It is an amenable number.

63453493 is a deficient number, since it is larger than the sum of its proper divisors (1).

63453493 is an equidigital number, since it uses as much as digits as its factorization.

63453493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 63453493 is about 7965.7700820448. The cubic root of 63453493 is about 398.8581875119.

The spelling of 63453493 in words is "sixty-three million, four hundred fifty-three thousand, four hundred ninety-three".