381073433321 has 16 divisors (see below), whose sum is σ = 461623147776. Its totient is φ = 307092404736.

The previous prime is 381073433317. The next prime is 381073433327. The reversal of 381073433321 is 123334370183.

It is a cyclic number.

It is not a de Polignac number, because 381073433321 - 2² = 381073433317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (381073433327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597301 + ... + 1820306.

It is an arithmetic number, because the mean of its divisors is an integer number (28851446736).

Almost surely, 2^381073433321 is an apocalyptic number.

It is an amenable number.

381073433321 is a deficient number, since it is larger than the sum of its proper divisors (80549714455).

381073433321 is a wasteful number, since it uses less digits than its factorization.

381073433321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418568.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 381073433321 in words is "three hundred eighty-one billion, seventy-three million, four hundred thirty-three thousand, three hundred twenty-one".