63963293 has 2 divisors, whose sum is σ = 63963294. Its totient is φ = 63963292.

The previous prime is 63963281. The next prime is 63963301. The reversal of 63963293 is 39236936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45670564 + 18292729 = 6758^2 + 4277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63963293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63963293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63963223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981646 + 31981647.

It is an arithmetic number, because the mean of its divisors is an integer number (31981647).

Almost surely, 2^63963293 is an apocalyptic number.

It is an amenable number.

63963293 is a deficient number, since it is larger than the sum of its proper divisors (1).

63963293 is an equidigital number, since it uses as much as digits as its factorization.

63963293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 41.

The square root of 63963293 is about 7997.7054834496. The cubic root of 63963293 is about 399.9235124584.

The spelling of 63963293 in words is "sixty-three million, nine hundred sixty-three thousand, two hundred ninety-three".