63826963 has 2 divisors, whose sum is σ = 63826964. Its totient is φ = 63826962.

The previous prime is 63826957. The next prime is 63826991. The reversal of 63826963 is 36962836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63826963 - 2¹³ = 63818771 is a prime.

It is not a weakly prime, because it can be changed into another prime (63826933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31913481 + 31913482.

It is an arithmetic number, because the mean of its divisors is an integer number (31913482).

Almost surely, 2^63826963 is an apocalyptic number.

63826963 is a deficient number, since it is larger than the sum of its proper divisors (1).

63826963 is an equidigital number, since it uses as much as digits as its factorization.

63826963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 63826963 is about 7989.1778675906. The cubic root of 63826963 is about 399.6391808718.

The spelling of 63826963 in words is "sixty-three million, eight hundred twenty-six thousand, nine hundred sixty-three".