65143574890538 has 8 divisors (see below), whose sum is σ = 97853183723460. Its totient is φ = 32525846982720.

The previous prime is 65143574890483. The next prime is 65143574890549. The reversal of 65143574890538 is 83509847534156.

65143574890538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61901065204729 + 3242509685809 = 7867723^2 + 1800697^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22970229503 + ... + 22970232338.

Almost surely, 2^{65143574890538} is an apocalyptic number.

65143574890538 is a deficient number, since it is larger than the sum of its proper divisors (32709608832922).

65143574890538 is a wasteful number, since it uses less digits than its factorization.

65143574890538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45940462552.

The product of its (nonzero) digits is 435456000, while the sum is 68.

The spelling of 65143574890538 in words is "sixty-five trillion, one hundred forty-three billion, five hundred seventy-four million, eight hundred ninety thousand, five hundred thirty-eight".