543916893169 has 4 divisors (see below), whose sum is σ = 585756654196. Its totient is φ = 502077132144.

The previous prime is 543916893151. The next prime is 543916893181. The reversal of 543916893169 is 961398619345.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 361513587600 + 182403305569 = 601260^2 + 427087^2 .

It is a cyclic number.

It is not a de Polignac number, because 543916893169 - 2¹¹ = 543916891121 is a prime.

It is a super-2 number, since 2×543916893169² (a number of 24 digits) contains 22 as substring.

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 543916893169.

It is not an unprimeable number, because it can be changed into a prime (543916893469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20919880494 + ... + 20919880519.

It is an arithmetic number, because the mean of its divisors is an integer number (146439163549).

Almost surely, 2^543916893169 is an apocalyptic number.

It is an amenable number.

543916893169 is a deficient number, since it is larger than the sum of its proper divisors (41839761027).

543916893169 is a wasteful number, since it uses less digits than its factorization.

543916893169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41839761026.

The product of its digits is 37791360, while the sum is 64.

The spelling of 543916893169 in words is "five hundred forty-three billion, nine hundred sixteen million, eight hundred ninety-three thousand, one hundred sixty-nine".