2738442191 has 2 divisors, whose sum is σ = 2738442192. Its totient is φ = 2738442190.

The previous prime is 2738442181. The next prime is 2738442253. The reversal of 2738442191 is 1912448372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2738442191 - 2¹⁸ = 2738180047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738442101) by changing a digit.

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 as a sum of consecutive naturals, namely, 1369221095 + 1369221096.

It is an arithmetic number, because the mean of its divisors is an integer number (1369221096).

Almost surely, 2^2738442191 is an apocalyptic number.

2738442191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738442191 is an equidigital number, since it uses as much as digits as its factorization.

2738442191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 2738442191 is about 52330.1269920110. The cubic root of 2738442191 is about 1399.0541555161.

The spelling of 2738442191 in words is "two billion, seven hundred thirty-eight million, four hundred forty-two thousand, one hundred ninety-one".