3521142041243 has 4 divisors (see below), whose sum is σ = 3521296996080. Its totient is φ = 3520987086408.

The previous prime is 3521142041231. The next prime is 3521142041269. The reversal of 3521142041243 is 3421402411253.

3521142041243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3521142041243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3521142044243) 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, 77443328 + ... + 77488781.

It is an arithmetic number, because the mean of its divisors is an integer number (880324249020).

Almost surely, 2^{3521142041243} is an apocalyptic number.

3521142041243 is a deficient number, since it is larger than the sum of its proper divisors (154954837).

3521142041243 is a wasteful number, since it uses less digits than its factorization.

3521142041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154954836.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 3521142041243 its reverse (3421402411253), we get a palindrome (6942544452496).

The spelling of 3521142041243 in words is "three trillion, five hundred twenty-one billion, one hundred forty-two million, forty-one thousand, two hundred forty-three".