381026743 has 2 divisors, whose sum is σ = 381026744. Its totient is φ = 381026742.

The previous prime is 381026719. The next prime is 381026747. The reversal of 381026743 is 347620183.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381026743 - 2⁹ = 381026231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381026699 and 381026708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381026747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190513371 + 190513372.

It is an arithmetic number, because the mean of its divisors is an integer number (190513372).

Almost surely, 2^381026743 is an apocalyptic number.

381026743 is a deficient number, since it is larger than the sum of its proper divisors (1).

381026743 is an equidigital number, since it uses as much as digits as its factorization.

381026743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 381026743 is about 19519.9063266195. The cubic root of 381026743 is about 724.9674138346.

The spelling of 381026743 in words is "three hundred eighty-one million, twenty-six thousand, seven hundred forty-three".