63683413 has 2 divisors, whose sum is σ = 63683414. Its totient is φ = 63683412.

The previous prime is 63683371. The next prime is 63683419. The reversal of 63683413 is 31438636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62062884 + 1620529 = 7878^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 63683413 - 2¹³ = 63675221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63683419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31841706 + 31841707.

It is an arithmetic number, because the mean of its divisors is an integer number (31841707).

Almost surely, 2^63683413 is an apocalyptic number.

It is an amenable number.

63683413 is a deficient number, since it is larger than the sum of its proper divisors (1).

63683413 is an equidigital number, since it uses as much as digits as its factorization.

63683413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 63683413 is about 7980.1887822281. The cubic root of 63683413 is about 399.3393532153.

The spelling of 63683413 in words is "sixty-three million, six hundred eighty-three thousand, four hundred thirteen".