1543053213993 has 8 divisors (see below), whose sum is σ = 2128349260800. Its totient is φ = 993229654928.

The previous prime is 1543053213991. The next prime is 1543053214019. The reversal of 1543053213993 is 3993123503451.

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

It is a cyclic number.

It is not a de Polignac number, because 1543053213993 - 2¹ = 1543053213991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1543053213991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8868121833 + ... + 8868122006.

It is an arithmetic number, because the mean of its divisors is an integer number (266043657600).

Almost surely, 2^{1543053213993} is an apocalyptic number.

It is an amenable number.

1543053213993 is a deficient number, since it is larger than the sum of its proper divisors (585296046807).

1543053213993 is a wasteful number, since it uses less digits than its factorization.

1543053213993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17736243871.

The product of its (nonzero) digits is 1312200, while the sum is 48.

The spelling of 1543053213993 in words is "one trillion, five hundred forty-three billion, fifty-three million, two hundred thirteen thousand, nine hundred ninety-three".