63648061248439 has 4 divisors (see below), whose sum is σ = 63967900752400. Its totient is φ = 63328221744480.

The previous prime is 63648061248427. The next prime is 63648061248451. The reversal of 63648061248439 is 93484216084636.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63648061248427) and next prime (63648061248451).

It is a cyclic number.

It is not a de Polignac number, because 63648061248439 - 2⁵ = 63648061248407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63648061242439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159919751682 + ... + 159919752079.

It is an arithmetic number, because the mean of its divisors is an integer number (15991975188100).

Almost surely, 2^{63648061248439} is an apocalyptic number.

63648061248439 is a deficient number, since it is larger than the sum of its proper divisors (319839503961).

63648061248439 is a wasteful number, since it uses less digits than its factorization.

63648061248439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319839503960.

The product of its (nonzero) digits is 143327232, while the sum is 64.

The spelling of 63648061248439 in words is "sixty-three trillion, six hundred forty-eight billion, sixty-one million, two hundred forty-eight thousand, four hundred thirty-nine".