381713347 has 2 divisors, whose sum is σ = 381713348. Its totient is φ = 381713346.

The previous prime is 381713329. The next prime is 381713357. The reversal of 381713347 is 743317183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381713347 is a prime.

It is not a weakly prime, because it can be changed into another prime (381713317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190856673 + 190856674.

It is an arithmetic number, because the mean of its divisors is an integer number (190856674).

Almost surely, 2^381713347 is an apocalyptic number.

381713347 is a deficient number, since it is larger than the sum of its proper divisors (1).

381713347 is an equidigital number, since it uses as much as digits as its factorization.

381713347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 381713347 is about 19537.4856877747. The cubic root of 381713347 is about 725.4026123658.

The spelling of 381713347 in words is "three hundred eighty-one million, seven hundred thirteen thousand, three hundred forty-seven".