63286628531 has 16 divisors (see below), whose sum is σ = 72479490048. Its totient is φ = 54131868000.

The previous prime is 63286628521. The next prime is 63286628549. The reversal of 63286628531 is 13582668236.

It is a de Polignac number, because none of the positive numbers 2^k-63286628531 is a prime.

It is a super-2 number, since 2×63286628531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63286628531.

It is not an unprimeable number, because it can be changed into a prime (63286628521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7955606 + ... + 7963556.

It is an arithmetic number, because the mean of its divisors is an integer number (4529968128).

Almost surely, 2^63286628531 is an apocalyptic number.

63286628531 is a deficient number, since it is larger than the sum of its proper divisors (9192861517).

63286628531 is a wasteful number, since it uses less digits than its factorization.

63286628531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202.

The product of its digits is 2488320, while the sum is 50.

The spelling of 63286628531 in words is "sixty-three billion, two hundred eighty-six million, six hundred twenty-eight thousand, five hundred thirty-one".