542364304565 has 4 divisors (see below), whose sum is σ = 650837165484. Its totient is φ = 433891443648.

The previous prime is 542364304549. The next prime is 542364304619. The reversal of 542364304565 is 565403463245.

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 76420179364 + 465944125201 = 276442^2 + 682601^2 .

It is a cyclic number.

It is not a de Polignac number, because 542364304565 - 2⁴ = 542364304549 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, 54236430452 + ... + 54236430461.

It is an arithmetic number, because the mean of its divisors is an integer number (162709291371).

Almost surely, 2^542364304565 is an apocalyptic number.

It is an amenable number.

542364304565 is a deficient number, since it is larger than the sum of its proper divisors (108472860919).

542364304565 is a wasteful number, since it uses less digits than its factorization.

542364304565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108472860918.

The product of its (nonzero) digits is 5184000, while the sum is 47.

The spelling of 542364304565 in words is "five hundred forty-two billion, three hundred sixty-four million, three hundred four thousand, five hundred sixty-five".