63138652241 has 8 divisors (see below), whose sum is σ = 72173490624. Its totient is φ = 54107571600.

The previous prime is 63138652237. The next prime is 63138652261. The reversal of 63138652241 is 14225683136.

63138652241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 63138652241 - 2² = 63138652237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63138652231) 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, 903335 + ... + 970716.

It is an arithmetic number, because the mean of its divisors is an integer number (9021686328).

Almost surely, 2^63138652241 is an apocalyptic number.

It is an amenable number.

63138652241 is a deficient number, since it is larger than the sum of its proper divisors (9034838383).

63138652241 is a wasteful number, since it uses less digits than its factorization.

63138652241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878871.

The product of its digits is 207360, while the sum is 41.

The spelling of 63138652241 in words is "sixty-three billion, one hundred thirty-eight million, six hundred fifty-two thousand, two hundred forty-one".