381677713 has 2 divisors, whose sum is σ = 381677714. Its totient is φ = 381677712.

The previous prime is 381677669. The next prime is 381677773. The reversal of 381677713 is 317776183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308950929 + 72726784 = 17577^2 + 8528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381677713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381677713.

It is not a weakly prime, because it can be changed into another prime (381677773) 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, 190838856 + 190838857.

It is an arithmetic number, because the mean of its divisors is an integer number (190838857).

Almost surely, 2^381677713 is an apocalyptic number.

It is an amenable number.

381677713 is a deficient number, since it is larger than the sum of its proper divisors (1).

381677713 is an equidigital number, since it uses as much as digits as its factorization.

381677713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 43.

The square root of 381677713 is about 19536.5737272430. The cubic root of 381677713 is about 725.3800388812.

The spelling of 381677713 in words is "three hundred eighty-one million, six hundred seventy-seven thousand, seven hundred thirteen".