63728273101 has 8 divisors (see below), whose sum is σ = 64383614208. Its totient is φ = 63073410000.

The previous prime is 63728273071. The next prime is 63728273107. The reversal of 63728273101 is 10137282736.

It is a happy number.

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 63728273101 - 2⁵ = 63728273069 is a prime.

It is a super-2 number, since 2×63728273101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63728273107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151656 + ... + 387886.

It is an arithmetic number, because the mean of its divisors is an integer number (8047951776).

Almost surely, 2^63728273101 is an apocalyptic number.

It is an amenable number.

63728273101 is a deficient number, since it is larger than the sum of its proper divisors (655341107).

63728273101 is a wasteful number, since it uses less digits than its factorization.

63728273101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239003.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 63728273101 in words is "sixty-three billion, seven hundred twenty-eight million, two hundred seventy-three thousand, one hundred one".