2542143530534 has 4 divisors (see below), whose sum is σ = 3813215295804. Its totient is φ = 1271071765266.

The previous prime is 2542143530533. The next prime is 2542143530543. The reversal of 2542143530534 is 4350353412452.

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

It is a junction number, because it is equal to n+sod(n) for n = 2542143530491 and 2542143530500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542143530533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635535882632 + ... + 635535882635.

It is an arithmetic number, because the mean of its divisors is an integer number (953303823951).

Almost surely, 2^{2542143530534} is an apocalyptic number.

2542143530534 is a deficient number, since it is larger than the sum of its proper divisors (1271071765270).

2542143530534 is a wasteful number, since it uses less digits than its factorization.

2542143530534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271071765269.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 2542143530534 its reverse (4350353412452), we get a palindrome (6892496942986).

The spelling of 2542143530534 in words is "two trillion, five hundred forty-two billion, one hundred forty-three million, five hundred thirty thousand, five hundred thirty-four".