542411404565 has 4 divisors (see below), whose sum is σ = 650893685484. Its totient is φ = 433929123648.

The previous prime is 542411404543. The next prime is 542411404571. The reversal of 542411404565 is 565404114245.

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 62464505041 + 479946899524 = 249929^2 + 692782^2 .

It is a cyclic number.

It is not a de Polignac number, because 542411404565 - 2⁶ = 542411404501 is a prime.

It is a super-2 number, since 2×542411404565² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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, 54241140452 + ... + 54241140461.

It is an arithmetic number, because the mean of its divisors is an integer number (162723421371).

Almost surely, 2^542411404565 is an apocalyptic number.

It is an amenable number.

542411404565 is a deficient number, since it is larger than the sum of its proper divisors (108482280919).

542411404565 is a wasteful number, since it uses less digits than its factorization.

542411404565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108482280918.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 542411404565 in words is "five hundred forty-two billion, four hundred eleven million, four hundred four thousand, five hundred sixty-five".