2738044691 has 2 divisors, whose sum is σ = 2738044692. Its totient is φ = 2738044690.

The previous prime is 2738044679. The next prime is 2738044693. The reversal of 2738044691 is 1964408372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2738044691 - 2⁶ = 2738044627 is a prime.

It is a Sophie Germain prime.

Together with 2738044693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2738044693) 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 as a sum of consecutive naturals, namely, 1369022345 + 1369022346.

It is an arithmetic number, because the mean of its divisors is an integer number (1369022346).

Almost surely, 2^2738044691 is an apocalyptic number.

2738044691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738044691 is an equidigital number, since it uses as much as digits as its factorization.

2738044691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2738044691 is about 52326.3288507803. The cubic root of 2738044691 is about 1398.9864587627.

The spelling of 2738044691 in words is "two billion, seven hundred thirty-eight million, forty-four thousand, six hundred ninety-one".