542335403221 has 8 divisors (see below), whose sum is σ = 552587526144. Its totient is φ = 532083998160.

The previous prime is 542335403213. The next prime is 542335403303. The reversal of 542335403221 is 122304533245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542335403221 - 2³ = 542335403213 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 (542335403321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491420 + ... + 1819066.

It is an arithmetic number, because the mean of its divisors is an integer number (69073440768).

Almost surely, 2^542335403221 is an apocalyptic number.

It is an amenable number.

542335403221 is a deficient number, since it is larger than the sum of its proper divisors (10252122923).

542335403221 is a wasteful number, since it uses less digits than its factorization.

542335403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358931.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 542335403221 its reverse (122304533245), we get a palindrome (664639936466).

The spelling of 542335403221 in words is "five hundred forty-two billion, three hundred thirty-five million, four hundred three thousand, two hundred twenty-one".