63868043 has 2 divisors, whose sum is σ = 63868044. Its totient is φ = 63868042.

The previous prime is 63868027. The next prime is 63868061. The reversal of 63868043 is 34086836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63868043 - 2⁴ = 63868027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63867988 and 63868006.

It is not a weakly prime, because it can be changed into another prime (63868003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31934021 + 31934022.

It is an arithmetic number, because the mean of its divisors is an integer number (31934022).

Almost surely, 2^63868043 is an apocalyptic number.

63868043 is a deficient number, since it is larger than the sum of its proper divisors (1).

63868043 is an equidigital number, since it uses as much as digits as its factorization.

63868043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 63868043 is about 7991.7484319766. The cubic root of 63868043 is about 399.7249004273.

It can be divided in two parts, 638 and 68043, that multiplied together give a palindrome (43411434).

The spelling of 63868043 in words is "sixty-three million, eight hundred sixty-eight thousand, forty-three".