381389303539 has 2 divisors, whose sum is σ = 381389303540. Its totient is φ = 381389303538.

The previous prime is 381389303531. The next prime is 381389303587. The reversal of 381389303539 is 935303983183.

It is a weak prime.

It is an emirp because it is prime and its reverse (935303983183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381389303539 - 2³ = 381389303531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381389303539.

It is not a weakly prime, because it can be changed into another prime (381389303531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190694651769 + 190694651770.

It is an arithmetic number, because the mean of its divisors is an integer number (190694651770).

Almost surely, 2^381389303539 is an apocalyptic number.

381389303539 is a deficient number, since it is larger than the sum of its proper divisors (1).

381389303539 is an equidigital number, since it uses as much as digits as its factorization.

381389303539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 381389303539 in words is "three hundred eighty-one billion, three hundred eighty-nine million, three hundred three thousand, five hundred thirty-nine".