2042781017 has 8 divisors (see below), whose sum is σ = 2050264320. Its totient is φ = 2035310400.

The previous prime is 2042781011. The next prime is 2042781031. The reversal of 2042781017 is 7101872402.

It is a happy number.

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 2042781017 - 2²² = 2038586713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042781011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414188 + ... + 419090.

It is an arithmetic number, because the mean of its divisors is an integer number (256283040).

Almost surely, 2^2042781017 is an apocalyptic number.

It is an amenable number.

2042781017 is a deficient number, since it is larger than the sum of its proper divisors (7483303).

2042781017 is a wasteful number, since it uses less digits than its factorization.

2042781017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 2042781017 is about 45197.1350530097. The cubic root of 2042781017 is about 1268.8411975117.

The spelling of 2042781017 in words is "two billion, forty-two million, seven hundred eighty-one thousand, seventeen".