381389303535 has 64 divisors (see below), whose sum is σ = 638436629376. Its totient is φ = 194232729600.

The previous prime is 381389303531. The next prime is 381389303539. The reversal of 381389303535 is 535303983183.

It is an interprime number because it is at equal distance from previous prime (381389303531) and next prime (381389303539).

It is not a de Polignac number, because 381389303535 - 2² = 381389303531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381389303531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13708599 + ... + 13736391.

It is an arithmetic number, because the mean of its divisors is an integer number (9975572334).

Almost surely, 2^381389303535 is an apocalyptic number.

381389303535 is a deficient number, since it is larger than the sum of its proper divisors (257047325841).

381389303535 is a wasteful number, since it uses less digits than its factorization.

381389303535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28316.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 381389303535 in words is "three hundred eighty-one billion, three hundred eighty-nine million, three hundred three thousand, five hundred thirty-five".