2942721085 has 16 divisors (see below), whose sum is σ = 3774677760. Its totient is φ = 2196895360.

The previous prime is 2942721079. The next prime is 2942721109. The reversal of 2942721085 is 5801272492.

It is not a de Polignac number, because 2942721085 - 2¹³ = 2942712893 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 307345 + ... + 316774.

It is an arithmetic number, because the mean of its divisors is an integer number (235917360).

Almost surely, 2^2942721085 is an apocalyptic number.

It is an amenable number.

2942721085 is a deficient number, since it is larger than the sum of its proper divisors (831956675).

2942721085 is a wasteful number, since it uses less digits than its factorization.

2942721085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624188.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2942721085 is about 54246.8532267080. The cubic root of 2942721085 is about 1433.0115814959.

The spelling of 2942721085 in words is "two billion, nine hundred forty-two million, seven hundred twenty-one thousand, eighty-five".