542421202534 has 4 divisors (see below), whose sum is σ = 813631803804. Its totient is φ = 271210601266.

The previous prime is 542421202523. The next prime is 542421202549. The reversal of 542421202534 is 435202124245.

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

It is a self number, because there is not a number n which added to its sum of digits gives 542421202534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135605300632 + ... + 135605300635.

It is an arithmetic number, because the mean of its divisors is an integer number (203407950951).

Almost surely, 2^542421202534 is an apocalyptic number.

542421202534 is a deficient number, since it is larger than the sum of its proper divisors (271210601270).

542421202534 is a wasteful number, since it uses less digits than its factorization.

542421202534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271210601269.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 542421202534 its reverse (435202124245), we get a palindrome (977623326779).

The spelling of 542421202534 in words is "five hundred forty-two billion, four hundred twenty-one million, two hundred two thousand, five hundred thirty-four".