8521465144363 has 24 divisors (see below), whose sum is σ = 8856418887680. Its totient is φ = 8197621932240.

The previous prime is 8521465144223. The next prime is 8521465144391. The reversal of 8521465144363 is 3634415641258.

It is a de Polignac number, because none of the positive numbers 2^k-8521465144363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8521465144363.

It is not an unprimeable number, because it can be changed into a prime (8521465144763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38806468 + ... + 39025438.

Almost surely, 2^{8521465144363} is an apocalyptic number.

8521465144363 is a deficient number, since it is larger than the sum of its proper divisors (334953743317).

8521465144363 is a wasteful number, since it uses less digits than its factorization.

8521465144363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219367 (or 219320 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 8521465144363 in words is "eight trillion, five hundred twenty-one billion, four hundred sixty-five million, one hundred forty-four thousand, three hundred sixty-three".