2013613421542 has 16 divisors (see below), whose sum is σ = 3284526823200. Its totient is φ = 921972440448.

The previous prime is 2013613421509. The next prime is 2013613421549. The reversal of 2013613421542 is 2451243163102.

It is a super-2 number, since 2×2013613421542² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2013613421498 and 2013613421507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013613421549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800322042 + ... + 800324557.

It is an arithmetic number, because the mean of its divisors is an integer number (205282926450).

Almost surely, 2^{2013613421542} is an apocalyptic number.

2013613421542 is a deficient number, since it is larger than the sum of its proper divisors (1270913401658).

2013613421542 is a wasteful number, since it uses less digits than its factorization.

2013613421542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600646655.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 2013613421542 its reverse (2451243163102), we get a palindrome (4464856584644).

The spelling of 2013613421542 in words is "two trillion, thirteen billion, six hundred thirteen million, four hundred twenty-one thousand, five hundred forty-two".