63641248013 has 8 divisors (see below), whose sum is σ = 72856765632. Its totient is φ = 54456708096.

The previous prime is 63641247961. The next prime is 63641248051. The reversal of 63641248013 is 31084214636.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63641248013 - 2⁸ = 63641247757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63641248313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7740020 + ... + 7748237.

It is an arithmetic number, because the mean of its divisors is an integer number (9107095704).

Almost surely, 2^63641248013 is an apocalyptic number.

It is an amenable number.

63641248013 is a deficient number, since it is larger than the sum of its proper divisors (9215517619).

63641248013 is a wasteful number, since it uses less digits than its factorization.

63641248013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15488851.

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

The spelling of 63641248013 in words is "sixty-three billion, six hundred forty-one million, two hundred forty-eight thousand, thirteen".