63463139 has 2 divisors, whose sum is σ = 63463140. Its totient is φ = 63463138.

The previous prime is 63463117. The next prime is 63463151. The reversal of 63463139 is 93136436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63463139 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 63463099 and 63463108.

It is not a weakly prime, because it can be changed into another prime (63403139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31731569 + 31731570.

It is an arithmetic number, because the mean of its divisors is an integer number (31731570).

Almost surely, 2^63463139 is an apocalyptic number.

63463139 is a deficient number, since it is larger than the sum of its proper divisors (1).

63463139 is an equidigital number, since it uses as much as digits as its factorization.

63463139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 35.

The square root of 63463139 is about 7966.3755246662. The cubic root of 63463139 is about 398.8783975427.

The spelling of 63463139 in words is "sixty-three million, four hundred sixty-three thousand, one hundred thirty-nine".