63272710645 has 16 divisors (see below), whose sum is σ = 78716256192. Its totient is φ = 48788583040.

The previous prime is 63272710643. The next prime is 63272710663. The reversal of 63272710645 is 54601727236.

It is not a de Polignac number, because 63272710645 - 2¹ = 63272710643 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 (63272710643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842307 + ... + 1876336.

It is an arithmetic number, because the mean of its divisors is an integer number (4919766012).

Almost surely, 2^63272710645 is an apocalyptic number.

It is an amenable number.

63272710645 is a deficient number, since it is larger than the sum of its proper divisors (15443545547).

63272710645 is a wasteful number, since it uses less digits than its factorization.

63272710645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718772.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 63272710645 in words is "sixty-three billion, two hundred seventy-two million, seven hundred ten thousand, six hundred forty-five".