542380279099 has 4 divisors (see below), whose sum is σ = 542386134000. Its totient is φ = 542374424200.

The previous prime is 542380279069. The next prime is 542380279171. The reversal of 542380279099 is 990972083245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542380279099 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542380279069) 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 3 ways as a sum of consecutive naturals, for example, 2786224 + ... + 2974525.

It is an arithmetic number, because the mean of its divisors is an integer number (135596533500).

Almost surely, 2^542380279099 is an apocalyptic number.

542380279099 is a deficient number, since it is larger than the sum of its proper divisors (5854901).

542380279099 is an equidigital number, since it uses as much as digits as its factorization.

542380279099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854900.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 542380279099 in words is "five hundred forty-two billion, three hundred eighty million, two hundred seventy-nine thousand, ninety-nine".