381341659 has 2 divisors, whose sum is σ = 381341660. Its totient is φ = 381341658.

The previous prime is 381341641. The next prime is 381341699. The reversal of 381341659 is 956143183.

It is an a-pointer prime, because the next prime (381341699) can be obtained adding 381341659 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (956143183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381341659 - 2²³ = 372953051 is a prime.

It is not a weakly prime, because it can be changed into another prime (381341699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190670829 + 190670830.

It is an arithmetic number, because the mean of its divisors is an integer number (190670830).

Almost surely, 2^381341659 is an apocalyptic number.

381341659 is a deficient number, since it is larger than the sum of its proper divisors (1).

381341659 is an equidigital number, since it uses as much as digits as its factorization.

381341659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 381341659 is about 19527.9711951856. The cubic root of 381341659 is about 725.1670857072.

It can be divided in two parts, 38134 and 1659, that added together give a palindrome (39793).

The spelling of 381341659 in words is "three hundred eighty-one million, three hundred forty-one thousand, six hundred fifty-nine".