381838458583 has 4 divisors (see below), whose sum is σ = 404299544400. Its totient is φ = 359377372768.

The previous prime is 381838458559. The next prime is 381838458587. The reversal of 381838458583 is 385854838183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381838458583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381838458587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11230542883 + ... + 11230542916.

It is an arithmetic number, because the mean of its divisors is an integer number (101074886100).

Almost surely, 2^381838458583 is an apocalyptic number.

381838458583 is a deficient number, since it is larger than the sum of its proper divisors (22461085817).

381838458583 is a wasteful number, since it uses less digits than its factorization.

381838458583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22461085816.

The product of its digits is 88473600, while the sum is 64.

The spelling of 381838458583 in words is "three hundred eighty-one billion, eight hundred thirty-eight million, four hundred fifty-eight thousand, five hundred eighty-three".