2013541045421 has 4 divisors (see below), whose sum is σ = 2013732840000. Its totient is φ = 2013349250844.

The previous prime is 2013541045409. The next prime is 2013541045429. The reversal of 2013541045421 is 1245401453102.

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 2013541045421 - 2³⁰ = 2012467303597 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 (2013541045429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95881541 + ... + 95902538.

It is an arithmetic number, because the mean of its divisors is an integer number (503433210000).

Almost surely, 2^{2013541045421} is an apocalyptic number.

It is an amenable number.

2013541045421 is a deficient number, since it is larger than the sum of its proper divisors (191794579).

2013541045421 is a wasteful number, since it uses less digits than its factorization.

2013541045421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191794578.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 2013541045421 its reverse (1245401453102), we get a palindrome (3258942498523).

The spelling of 2013541045421 in words is "two trillion, thirteen billion, five hundred forty-one million, forty-five thousand, four hundred twenty-one".