63650143 has 2 divisors, whose sum is σ = 63650144. Its totient is φ = 63650142.

The previous prime is 63650141. The next prime is 63650183. The reversal of 63650143 is 34105636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63650143 - 2¹ = 63650141 is a prime.

Together with 63650141, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63650141) 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, 31825071 + 31825072.

It is an arithmetic number, because the mean of its divisors is an integer number (31825072).

Almost surely, 2^63650143 is an apocalyptic number.

63650143 is a deficient number, since it is larger than the sum of its proper divisors (1).

63650143 is an equidigital number, since it uses as much as digits as its factorization.

63650143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 63650143 is about 7978.1039727494. The cubic root of 63650143 is about 399.2697990777.

Adding to 63650143 its reverse (34105636), we get a palindrome (97755779).

The spelling of 63650143 in words is "sixty-three million, six hundred fifty thousand, one hundred forty-three".