381234637303 has 4 divisors (see below), whose sum is σ = 410560378648. Its totient is φ = 351908895960.

The previous prime is 381234637279. The next prime is 381234637307. The reversal of 381234637303 is 303736432183.

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-381234637303 is a prime.

It is a super-2 number, since 2×381234637303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381234637303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381234637307) 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 3 ways as a sum of consecutive naturals, for example, 14662870653 + ... + 14662870678.

It is an arithmetic number, because the mean of its divisors is an integer number (102640094662).

Almost surely, 2^381234637303 is an apocalyptic number.

381234637303 is a deficient number, since it is larger than the sum of its proper divisors (29325741345).

381234637303 is a wasteful number, since it uses less digits than its factorization.

381234637303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29325741344.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 381234637303 in words is "three hundred eighty-one billion, two hundred thirty-four million, six hundred thirty-seven thousand, three hundred three".