542399193617 has 4 divisors (see below), whose sum is σ = 543237523776. Its totient is φ = 541560863460.

The previous prime is 542399193613. The next prime is 542399193631. The reversal of 542399193617 is 716391993245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542399193617 - 2² = 542399193613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542399193613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419164109 + ... + 419165402.

It is an arithmetic number, because the mean of its divisors is an integer number (135809380944).

Almost surely, 2^542399193617 is an apocalyptic number.

It is an amenable number.

542399193617 is a deficient number, since it is larger than the sum of its proper divisors (838330159).

542399193617 is an equidigital number, since it uses as much as digits as its factorization.

542399193617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838330158.

The product of its digits is 11022480, while the sum is 59.

The spelling of 542399193617 in words is "five hundred forty-two billion, three hundred ninety-nine million, one hundred ninety-three thousand, six hundred seventeen".