542589272065 has 8 divisors (see below), whose sum is σ = 651111087528. Its totient is φ = 434068776960.

The previous prime is 542589272053. The next prime is 542589272081. The reversal of 542589272065 is 560272985245.

It can be written as a sum of positive squares in 4 ways, for example, as 4367491569 + 538221780496 = 66087^2 + 733636^2 .

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

It is not a de Polignac number, because 542589272065 - 2³¹ = 540441788417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542589271997 and 542589272015.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1370079 + ... + 1721131.

It is an arithmetic number, because the mean of its divisors is an integer number (81388885941).

Almost surely, 2^542589272065 is an apocalyptic number.

It is an amenable number.

542589272065 is a deficient number, since it is larger than the sum of its proper divisors (108521815463).

542589272065 is a wasteful number, since it uses less digits than its factorization.

542589272065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660179.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 542589272065 in words is "five hundred forty-two billion, five hundred eighty-nine million, two hundred seventy-two thousand, sixty-five".