2942806671 has 18 divisors (see below), whose sum is σ = 4944716712. Its totient is φ = 1681603560.

The previous prime is 2942806637. The next prime is 2942806673. The reversal of 2942806671 is 1766082492.

It is a happy number.

It is not a de Polignac number, because 2942806671 - 2¹⁰ = 2942805647 is a prime.

It is a super-2 number, since 2×2942806671² = 17320222205764204482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942806673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3336075 + ... + 3336956.

It is an arithmetic number, because the mean of its divisors is an integer number (274706484).

Almost surely, 2^2942806671 is an apocalyptic number.

2942806671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2942806671 is a deficient number, since it is larger than the sum of its proper divisors (2001910041).

2942806671 is a wasteful number, since it uses less digits than its factorization.

2942806671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673051 (or 6673041 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2942806671 is about 54247.6420777899. The cubic root of 2942806671 is about 1433.0254739146.

The spelling of 2942806671 in words is "two billion, nine hundred forty-two million, eight hundred six thousand, six hundred seventy-one".