2942271939 has 4 divisors (see below), whose sum is σ = 3923029256. Its totient is φ = 1961514624.

The previous prime is 2942271929. The next prime is 2942271973. The reversal of 2942271939 is 9391722492.

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

It is not a de Polignac number, because 2942271939 - 2⁹ = 2942271427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942271929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490378654 + ... + 490378659.

It is an arithmetic number, because the mean of its divisors is an integer number (980757314).

Almost surely, 2^2942271939 is an apocalyptic number.

2942271939 is a deficient number, since it is larger than the sum of its proper divisors (980757317).

2942271939 is an equidigital number, since it uses as much as digits as its factorization.

2942271939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980757316.

The product of its digits is 489888, while the sum is 48.

The square root of 2942271939 is about 54242.7132341294. The cubic root of 2942271939 is about 1432.9386711804.

The spelling of 2942271939 in words is "two billion, nine hundred forty-two million, two hundred seventy-one thousand, nine hundred thirty-nine".