2042928010909 has 8 divisors (see below), whose sum is σ = 2075080790232. Its totient is φ = 2011009070400.

The previous prime is 2042928010897. The next prime is 2042928010933. The reversal of 2042928010909 is 9090108292402.

It can be written as a sum of positive squares in 4 ways, for example, as 1334898322884 + 708029688025 = 1155378^2 + 841445^2 .

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 2042928010909 - 2¹⁵ = 2042927978141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042928010999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58442094 + ... + 58477039.

It is an arithmetic number, because the mean of its divisors is an integer number (259385098779).

Almost surely, 2^{2042928010909} is an apocalyptic number.

It is an amenable number.

2042928010909 is a deficient number, since it is larger than the sum of its proper divisors (32152779323).

2042928010909 is a wasteful number, since it uses less digits than its factorization.

2042928010909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116919407.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 2042928010909 in words is "two trillion, forty-two billion, nine hundred twenty-eight million, ten thousand, nine hundred nine".