542666666245 has 8 divisors (see below), whose sum is σ = 710399999520. Its totient is φ = 394666666320.

The previous prime is 542666666239. The next prime is 542666666249.

542666666245 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 542666666245 - 2⁷ = 542666666117 is a prime.

It is a super-2 number, since 2×542666666245² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542666666245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542666666249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933333275 + ... + 4933333384.

It is an arithmetic number, because the mean of its divisors is an integer number (88799999940).

Almost surely, 2^542666666245 is an apocalyptic number.

542666666245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542666666245 is a deficient number, since it is larger than the sum of its proper divisors (167733333275).

542666666245 is a wasteful number, since it uses less digits than its factorization.

542666666245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866666675.

The product of its digits is 74649600, while the sum is 58.

The spelling of 542666666245 in words is "five hundred forty-two billion, six hundred sixty-six million, six hundred sixty-six thousand, two hundred forty-five".