738368381 has 2 divisors, whose sum is σ = 738368382. Its totient is φ = 738368380.

The previous prime is 738368357. The next prime is 738368413. The reversal of 738368381 is 183863837.

738368381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481407481 + 256960900 = 21941^2 + 16030^2 .

It is a cyclic number.

It is not a de Polignac number, because 738368381 - 2⁶ = 738368317 is a prime.

It is a super-2 number, since 2×738368381² = 1090375732121122322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738368311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369184190 + 369184191.

It is an arithmetic number, because the mean of its divisors is an integer number (369184191).

Almost surely, 2^738368381 is an apocalyptic number.

It is an amenable number.

738368381 is a deficient number, since it is larger than the sum of its proper divisors (1).

738368381 is an equidigital number, since it uses as much as digits as its factorization.

738368381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 738368381 is about 27172.9347145280. The cubic root of 738368381 is about 903.8389029019.

The spelling of 738368381 in words is "seven hundred thirty-eight million, three hundred sixty-eight thousand, three hundred eighty-one".