542434232921 has 8 divisors (see below), whose sum is σ = 619929657600. Its totient is φ = 464940013248.

The previous prime is 542434232903. The next prime is 542434232959. The reversal of 542434232921 is 129232434245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542434232921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542434232621) 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, 1094480 + ... + 1510878.

It is an arithmetic number, because the mean of its divisors is an integer number (77491207200).

Almost surely, 2^542434232921 is an apocalyptic number.

It is an amenable number.

542434232921 is a deficient number, since it is larger than the sum of its proper divisors (77495424679).

542434232921 is a wasteful number, since it uses less digits than its factorization.

542434232921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602503.

The product of its digits is 414720, while the sum is 41.

The spelling of 542434232921 in words is "five hundred forty-two billion, four hundred thirty-four million, two hundred thirty-two thousand, nine hundred twenty-one".