543394493345 has 16 divisors (see below), whose sum is σ = 719345525760. Its totient is φ = 390755587200.

The previous prime is 543394493293. The next prime is 543394493357.

543394493345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543394493345 - 2³⁴ = 526214624161 is a prime.

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, 55500161 + ... + 55509950.

It is an arithmetic number, because the mean of its divisors is an integer number (44959095360).

Almost surely, 2^543394493345 is an apocalyptic number.

543394493345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543394493345 is a deficient number, since it is larger than the sum of its proper divisors (175951032415).

543394493345 is a wasteful number, since it uses less digits than its factorization.

543394493345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010216.

The product of its digits is 41990400, while the sum is 56.

The spelling of 543394493345 in words is "five hundred forty-three billion, three hundred ninety-four million, four hundred ninety-three thousand, three hundred forty-five".