2004142431643 has 16 divisors (see below), whose sum is σ = 2240906969952. Its totient is φ = 1776522240000.

The previous prime is 2004142431491. The next prime is 2004142431659. The reversal of 2004142431643 is 3461342414002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004142431643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004142431599 and 2004142431608.

It is not an unprimeable number, because it can be changed into a prime (2004142435643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421446 + ... + 2045947.

It is an arithmetic number, because the mean of its divisors is an integer number (140056685622).

Almost surely, 2^{2004142431643} is an apocalyptic number.

2004142431643 is a deficient number, since it is larger than the sum of its proper divisors (236764538309).

2004142431643 is a wasteful number, since it uses less digits than its factorization.

2004142431643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469246.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 2004142431643 its reverse (3461342414002), we get a palindrome (5465484845645).

The spelling of 2004142431643 in words is "two trillion, four billion, one hundred forty-two million, four hundred thirty-one thousand, six hundred forty-three".