2738393923 has 2 divisors, whose sum is σ = 2738393924. Its totient is φ = 2738393922.

The previous prime is 2738393899. The next prime is 2738393927. The reversal of 2738393923 is 3293938372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2738393923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2738393927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369196961 + 1369196962.

It is an arithmetic number, because the mean of its divisors is an integer number (1369196962).

Almost surely, 2^2738393923 is an apocalyptic number.

2738393923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738393923 is an equidigital number, since it uses as much as digits as its factorization.

2738393923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The square root of 2738393923 is about 52329.6658024872. The cubic root of 2738393923 is about 1399.0459355212.

The spelling of 2738393923 in words is "two billion, seven hundred thirty-eight million, three hundred ninety-three thousand, nine hundred twenty-three".