381444059 has 2 divisors, whose sum is σ = 381444060. Its totient is φ = 381444058.

The previous prime is 381444017. The next prime is 381444071. The reversal of 381444059 is 950444183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381444059 is a prime.

It is a Chen prime.

It is equal to p_20398646 and since 381444059 and 20398646 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (381444659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190722029 + 190722030.

It is an arithmetic number, because the mean of its divisors is an integer number (190722030).

Almost surely, 2^381444059 is an apocalyptic number.

381444059 is a deficient number, since it is larger than the sum of its proper divisors (1).

381444059 is an equidigital number, since it uses as much as digits as its factorization.

381444059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 381444059 is about 19530.5928993464. The cubic root of 381444059 is about 725.2319885418.

The spelling of 381444059 in words is "three hundred eighty-one million, four hundred forty-four thousand, fifty-nine".