542366066545 has 8 divisors (see below), whose sum is σ = 651894128424. Its totient is φ = 433189620864.

The previous prime is 542366066519. The next prime is 542366066551. The reversal of 542366066545 is 545660663245.

It can be written as a sum of positive squares in 4 ways, for example, as 6155500849 + 536210565696 = 78457^2 + 732264^2 .

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-542366066545 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542366066492 and 542366066501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87900654 + ... + 87906823.

It is an arithmetic number, because the mean of its divisors is an integer number (81486766053).

Almost surely, 2^542366066545 is an apocalyptic number.

It is an amenable number.

542366066545 is a deficient number, since it is larger than the sum of its proper divisors (109528061879).

542366066545 is a wasteful number, since it uses less digits than its factorization.

542366066545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175808099.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 542366066545 in words is "five hundred forty-two billion, three hundred sixty-six million, sixty-six thousand, five hundred forty-five".