543993399345 has 32 divisors (see below), whose sum is σ = 949551546240. Its totient is φ = 263744432640.

The previous prime is 543993399329. The next prime is 543993399347.

543993399345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543993399345 - 2⁴ = 543993399329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (543993399347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6289251 + ... + 6375159.

It is an arithmetic number, because the mean of its divisors is an integer number (29673485820).

Almost surely, 2^543993399345 is an apocalyptic number.

543993399345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543993399345 is a deficient number, since it is larger than the sum of its proper divisors (405558146895).

543993399345 is a wasteful number, since it uses less digits than its factorization.

543993399345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124305.

The product of its digits is 212576400, while the sum is 66.

The spelling of 543993399345 in words is "five hundred forty-three billion, nine hundred ninety-three million, three hundred ninety-nine thousand, three hundred forty-five".