43546054312013 has 16 divisors (see below), whose sum is σ = 50509642625280. Its totient is φ = 37102762099200.

The previous prime is 43546054312009. The next prime is 43546054312073. The reversal of 43546054312013 is 31021345064534.

It is a happy number.

It is not a de Polignac number, because 43546054312013 - 2² = 43546054312009 is a prime.

It is a super-2 number, since 2×43546054312013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43546054312003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487123928 + ... + 487213313.

It is an arithmetic number, because the mean of its divisors is an integer number (3156852664080).

Almost surely, 2^{43546054312013} is an apocalyptic number.

It is an amenable number.

43546054312013 is a deficient number, since it is larger than the sum of its proper divisors (6963588313267).

43546054312013 is a wasteful number, since it uses less digits than its factorization.

43546054312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974337508.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 43546054312013 its reverse (31021345064534), we get a palindrome (74567399376547).

The spelling of 43546054312013 in words is "forty-three trillion, five hundred forty-six billion, fifty-four million, three hundred twelve thousand, thirteen".