543945549345 has 16 divisors (see below), whose sum is σ = 949432231872. Its totient is φ = 263731175360.

The previous prime is 543945549317. The next prime is 543945549377.

543945549345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543945549345 - 2¹² = 543945545249 is a prime.

It is a super-3 number, since 3×543945549345³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648319682 + ... + 1648320011.

It is an arithmetic number, because the mean of its divisors is an integer number (59339514492).

Almost surely, 2^543945549345 is an apocalyptic number.

543945549345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543945549345 is a deficient number, since it is larger than the sum of its proper divisors (405486682527).

543945549345 is a wasteful number, since it uses less digits than its factorization.

543945549345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296639712.

The product of its digits is 116640000, while the sum is 60.

The spelling of 543945549345 in words is "five hundred forty-three billion, nine hundred forty-five million, five hundred forty-nine thousand, three hundred forty-five".