2738400191 has 2 divisors, whose sum is σ = 2738400192. Its totient is φ = 2738400190.

The previous prime is 2738400187. The next prime is 2738400193. The reversal of 2738400191 is 1910048372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2738400191 - 2² = 2738400187 is a prime.

It is a Sophie Germain prime.

Together with 2738400193, 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 (2738400193) 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, 1369200095 + 1369200096.

It is an arithmetic number, because the mean of its divisors is an integer number (1369200096).

Almost surely, 2^2738400191 is an apocalyptic number.

2738400191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738400191 is an equidigital number, since it uses as much as digits as its factorization.

2738400191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2738400191 is about 52329.7256920003. The cubic root of 2738400191 is about 1399.0470029611.

The spelling of 2738400191 in words is "two billion, seven hundred thirty-eight million, four hundred thousand, one hundred ninety-one".