2942173811 has 4 divisors (see below), whose sum is σ = 2949367800. Its totient is φ = 2934979824.

The previous prime is 2942173763. The next prime is 2942173813. The reversal of 2942173811 is 1183712492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2942173811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942173813) 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 3 ways as a sum of consecutive naturals, for example, 3596381 + ... + 3597198.

It is an arithmetic number, because the mean of its divisors is an integer number (737341950).

Almost surely, 2^2942173811 is an apocalyptic number.

2942173811 is a deficient number, since it is larger than the sum of its proper divisors (7193989).

2942173811 is an equidigital number, since it uses as much as digits as its factorization.

2942173811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193988.

The product of its digits is 24192, while the sum is 38.

The square root of 2942173811 is about 54241.8086995631. The cubic root of 2942173811 is about 1432.9227409773.

The spelling of 2942173811 in words is "two billion, nine hundred forty-two million, one hundred seventy-three thousand, eight hundred eleven".