4543994083018 has 8 divisors (see below), whose sum is σ = 7340298134148. Its totient is φ = 2097228038304.

The previous prime is 4543994082983. The next prime is 4543994083103. The reversal of 4543994083018 is 8103804993454.

It can be written as a sum of positive squares in 2 ways, for example, as 4429522157449 + 114471925569 = 2104643^2 + 338337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87384501571 + ... + 87384501622.

Almost surely, 2^{4543994083018} is an apocalyptic number.

4543994083018 is a deficient number, since it is larger than the sum of its proper divisors (2796304051130).

4543994083018 is a wasteful number, since it uses less digits than its factorization.

4543994083018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174769003208.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 4543994083018 in words is "four trillion, five hundred forty-three billion, nine hundred ninety-four million, eighty-three thousand, eighteen".