63468739 has 2 divisors, whose sum is σ = 63468740. Its totient is φ = 63468738.

The previous prime is 63468709. The next prime is 63468751. The reversal of 63468739 is 93786436.

63468739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63468739 - 2¹¹ = 63466691 is a prime.

It is not a weakly prime, because it can be changed into another prime (63468709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31734369 + 31734370.

It is an arithmetic number, because the mean of its divisors is an integer number (31734370).

Almost surely, 2^63468739 is an apocalyptic number.

63468739 is a deficient number, since it is larger than the sum of its proper divisors (1).

63468739 is an equidigital number, since it uses as much as digits as its factorization.

63468739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 63468739 is about 7966.7269941928. The cubic root of 63468739 is about 398.8901295673.

The spelling of 63468739 in words is "sixty-three million, four hundred sixty-eight thousand, seven hundred thirty-nine".