542432662665 has 8 divisors (see below), whose sum is σ = 867892260288. Its totient is φ = 289297420080.

The previous prime is 542432662649. The next prime is 542432662669. The reversal of 542432662665 is 566266234245.

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

It is not a de Polignac number, because 542432662665 - 2⁴ = 542432662649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (542432662669) 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, 18081088741 + ... + 18081088770.

It is an arithmetic number, because the mean of its divisors is an integer number (108486532536).

Almost surely, 2^542432662665 is an apocalyptic number.

It is an amenable number.

542432662665 is a deficient number, since it is larger than the sum of its proper divisors (325459597623).

542432662665 is a wasteful number, since it uses less digits than its factorization.

542432662665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36162177519.

The product of its digits is 12441600, while the sum is 51.

The spelling of 542432662665 in words is "five hundred forty-two billion, four hundred thirty-two million, six hundred sixty-two thousand, six hundred sixty-five".