1543361353013 has 4 divisors (see below), whose sum is σ = 1546694747328. Its totient is φ = 1540027958700.

The previous prime is 1543361352961. The next prime is 1543361353067. The reversal of 1543361353013 is 3103531633451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1543361353013 - 2¹⁶ = 1543361287477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543361355013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666696463 + ... + 1666697388.

It is an arithmetic number, because the mean of its divisors is an integer number (386673686832).

Almost surely, 2^{1543361353013} is an apocalyptic number.

It is an amenable number.

1543361353013 is a deficient number, since it is larger than the sum of its proper divisors (3333394315).

1543361353013 is an equidigital number, since it uses as much as digits as its factorization.

1543361353013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333394314.

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 1543361353013 its reverse (3103531633451), we get a palindrome (4646892986464).

The spelling of 1543361353013 in words is "one trillion, five hundred forty-three billion, three hundred sixty-one million, three hundred fifty-three thousand, thirteen".