542503462021 has 4 divisors (see below), whose sum is σ = 542621633344. Its totient is φ = 542385290700.

The previous prime is 542503462019. The next prime is 542503462027. The reversal of 542503462021 is 120264305245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542503462021 - 2¹ = 542503462019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542503462027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59078775 + ... + 59087956.

It is an arithmetic number, because the mean of its divisors is an integer number (135655408336).

Almost surely, 2^542503462021 is an apocalyptic number.

It is an amenable number.

542503462021 is a deficient number, since it is larger than the sum of its proper divisors (118171323).

542503462021 is a wasteful number, since it uses less digits than its factorization.

542503462021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118171322.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 542503462021 its reverse (120264305245), we get a palindrome (662767767266).

The spelling of 542503462021 in words is "five hundred forty-two billion, five hundred three million, four hundred sixty-two thousand, twenty-one".