63929 has 2 divisors, whose sum is σ = 63930. Its totient is φ = 63928.

The previous prime is 63913. The next prime is 63949. The reversal of 63929 is 92936.

63929 is nontrivially palindromic in base 5.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42025 + 21904 = 205^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 63929 - 2⁴ = 63913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63949) 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, 31964 + 31965.

It is an arithmetic number, because the mean of its divisors is an integer number (31965).

2⁶³⁹²⁹ is an apocalyptic number.

It is an amenable number.

63929 is a deficient number, since it is larger than the sum of its proper divisors (1).

63929 is an equidigital number, since it uses as much as digits as its factorization.

63929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 63929 is about 252.8418478021. The cubic root of 63929 is about 39.9852028601.

The spelling of 63929 in words is "sixty-three thousand, nine hundred twenty-nine".