542374746805 has 4 divisors (see below), whose sum is σ = 650849696172. Its totient is φ = 433899797440.

The previous prime is 542374746791. The next prime is 542374746827. The reversal of 542374746805 is 508647473245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508647473245 = 5 ⋅101729494649.

It can be written as a sum of positive squares in 2 ways, for example, as 227706478596 + 314668268209 = 477186^2 + 560953^2 .

It is not a de Polignac number, because 542374746805 - 2²⁵ = 542341192373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54237474676 + ... + 54237474685.

It is an arithmetic number, because the mean of its divisors is an integer number (162712424043).

Almost surely, 2^542374746805 is an apocalyptic number.

It is an amenable number.

542374746805 is a deficient number, since it is larger than the sum of its proper divisors (108474949367).

542374746805 is a wasteful number, since it uses less digits than its factorization.

542374746805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108474949366.

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 542374746805 in words is "five hundred forty-two billion, three hundred seventy-four million, seven hundred forty-six thousand, eight hundred five".