2982742391 has 2 divisors, whose sum is σ = 2982742392. Its totient is φ = 2982742390.

The previous prime is 2982742387. The next prime is 2982742393. The reversal of 2982742391 is 1932472892.

It is a happy number.

2982742391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2982742391 - 2² = 2982742387 is a prime.

Together with 2982742393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2982742393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1491371195 + 1491371196.

It is an arithmetic number, because the mean of its divisors is an integer number (1491371196).

Almost surely, 2^2982742391 is an apocalyptic number.

2982742391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2982742391 is an equidigital number, since it uses as much as digits as its factorization.

2982742391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 2982742391 is about 54614.4888376702. The cubic root of 2982742391 is about 1439.4787193372.

The spelling of 2982742391 in words is "two billion, nine hundred eighty-two million, seven hundred forty-two thousand, three hundred ninety-one".