542434420051 has 4 divisors (see below), whose sum is σ = 542742798400. Its totient is φ = 542126041704.

The previous prime is 542434420049. The next prime is 542434420091. The reversal of 542434420051 is 150024434245.

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

It is a cyclic number.

It is not a de Polignac number, because 542434420051 - 2¹ = 542434420049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542434419989 and 542434420016.

It is not an unprimeable number, because it can be changed into a prime (542434420091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154186536 + ... + 154190053.

It is an arithmetic number, because the mean of its divisors is an integer number (135685699600).

Almost surely, 2^542434420051 is an apocalyptic number.

542434420051 is a deficient number, since it is larger than the sum of its proper divisors (308378349).

542434420051 is a wasteful number, since it uses less digits than its factorization.

542434420051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308378348.

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

Adding to 542434420051 its reverse (150024434245), we get a palindrome (692458854296).

The spelling of 542434420051 in words is "five hundred forty-two billion, four hundred thirty-four million, four hundred twenty thousand, fifty-one".