548362746065 has 4 divisors (see below), whose sum is σ = 658035295284. Its totient is φ = 438690196848.

The previous prime is 548362746049. The next prime is 548362746073. The reversal of 548362746065 is 560647263845.

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

It can be written as a sum of positive squares in 2 ways, for example, as 342366584641 + 205996161424 = 585121^2 + 453868^2 .

It is a cyclic number.

It is not a de Polignac number, because 548362746065 - 2⁴ = 548362746049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 548362746065.

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, 54836274602 + ... + 54836274611.

It is an arithmetic number, because the mean of its divisors is an integer number (164508823821).

Almost surely, 2^548362746065 is an apocalyptic number.

It is an amenable number.

548362746065 is a deficient number, since it is larger than the sum of its proper divisors (109672549219).

548362746065 is a wasteful number, since it uses less digits than its factorization.

548362746065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109672549218.

The product of its (nonzero) digits is 29030400, while the sum is 56.

The spelling of 548362746065 in words is "five hundred forty-eight billion, three hundred sixty-two million, seven hundred forty-six thousand, sixty-five".