13501868528643 has 16 divisors (see below), whose sum is σ = 20169867484416. Its totient is φ = 7961789795040.

The previous prime is 13501868528623. The next prime is 13501868528651. The reversal of 13501868528643 is 34682586810531.

It is not a de Polignac number, because 13501868528643 - 2⁶ = 13501868528579 is a prime.

It is a super-2 number, since 2×13501868528643² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13501868528623) 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, 5529019471 + ... + 5529021912.

It is an arithmetic number, because the mean of its divisors is an integer number (1260616717776).

Almost surely, 2^{13501868528643} is an apocalyptic number.

13501868528643 is a deficient number, since it is larger than the sum of its proper divisors (6667998955773).

13501868528643 is a wasteful number, since it uses less digits than its factorization.

13501868528643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11058041434.

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 13501868528643 in words is "thirteen trillion, five hundred one billion, eight hundred sixty-eight million, five hundred twenty-eight thousand, six hundred forty-three".