42735030865 has 16 divisors (see below), whose sum is σ = 54352338768. Its totient is φ = 32145135616.

The previous prime is 42735030859. The next prime is 42735030881. The reversal of 42735030865 is 56803053724.

42735030865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 15044739649 + 27690291216 = 122657^2 + 166404^2 .

It is a cyclic number.

It is not a de Polignac number, because 42735030865 - 2³ = 42735030857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162052 + ... + 334261.

It is an arithmetic number, because the mean of its divisors is an integer number (3397021173).

Almost surely, 2^42735030865 is an apocalyptic number.

It is an amenable number.

42735030865 is a deficient number, since it is larger than the sum of its proper divisors (11617307903).

42735030865 is a wasteful number, since it uses less digits than its factorization.

42735030865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497348.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 42735030865 in words is "forty-two billion, seven hundred thirty-five million, thirty thousand, eight hundred sixty-five".