543643235145513 has 64 divisors (see below), whose sum is σ = 889858673349120. Its totient is φ = 326275754213376.

The previous prime is 543643235145427. The next prime is 543643235145553. The reversal of 543643235145513 is 315541532346345.

It is a happy number.

543643235145513 is a `hidden beast` number, since 5 + 4 + 3 + 6 + 4 + 32 + 3 + 51 + 4 + 551 + 3 = 666.

It is not a de Polignac number, because 543643235145513 - 2¹⁷ = 543643235014441 is a prime.

It is a super-2 number, since 2×543643235145513² (a number of 30 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 543643235145513.

It is not an unprimeable number, because it can be changed into a prime (543643235145553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2271715081 + ... + 2271954377.

It is an arithmetic number, because the mean of its divisors is an integer number (13904041771080).

Almost surely, 2^{543643235145513} is an apocalyptic number.

It is an amenable number.

543643235145513 is a deficient number, since it is larger than the sum of its proper divisors (346215438203607).

543643235145513 is a wasteful number, since it uses less digits than its factorization.

543643235145513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454543 (or 454537 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 54.

The spelling of 543643235145513 in words is "five hundred forty-three trillion, six hundred forty-three billion, two hundred thirty-five million, one hundred forty-five thousand, five hundred thirteen".