4052942028865 has 8 divisors (see below), whose sum is σ = 5031238380840. Its totient is φ = 3130548325632.

The previous prime is 4052942028853. The next prime is 4052942028881. The reversal of 4052942028865 is 5688202492504.

It is a Cunningham number, because it is equal to 2013192²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1459061063056 + 2593880965809 = 1207916^2 + 1610553^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4052942028865 - 2³⁵ = 4018582290497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13975662024 + ... + 13975662313.

It is an arithmetic number, because the mean of its divisors is an integer number (628904797605).

Almost surely, 2^{4052942028865} is an apocalyptic number.

It is an amenable number.

4052942028865 is a deficient number, since it is larger than the sum of its proper divisors (978296351975).

4052942028865 is a wasteful number, since it uses less digits than its factorization.

4052942028865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27951324371.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 4052942028865 in words is "four trillion, fifty-two billion, nine hundred forty-two million, twenty-eight thousand, eight hundred sixty-five".