63445793 has 2 divisors, whose sum is σ = 63445794. Its totient is φ = 63445792.

The previous prime is 63445783. The next prime is 63445831. The reversal of 63445793 is 39754436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 8567329 = 7408^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 63445793 - 2¹⁸ = 63183649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63445793.

It is not a weakly prime, because it can be changed into another prime (63445703) 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, 31722896 + 31722897.

It is an arithmetic number, because the mean of its divisors is an integer number (31722897).

Almost surely, 2^63445793 is an apocalyptic number.

It is an amenable number.

63445793 is a deficient number, since it is larger than the sum of its proper divisors (1).

63445793 is an equidigital number, since it uses as much as digits as its factorization.

63445793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 63445793 is about 7965.2867493895. The cubic root of 63445793 is about 398.8420532161.

The spelling of 63445793 in words is "sixty-three million, four hundred forty-five thousand, seven hundred ninety-three".