383305390893 has 16 divisors (see below), whose sum is σ = 581710080000. Its totient is φ = 249304318560.

The previous prime is 383305390891. The next prime is 383305390933. The reversal of 383305390893 is 398093503383.

383305390893 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 383305390893 - 2¹ = 383305390891 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383305390891) 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, 173126893 + ... + 173129106.

It is an arithmetic number, because the mean of its divisors is an integer number (36356880000).

Almost surely, 2^383305390893 is an apocalyptic number.

It is an amenable number.

383305390893 is a deficient number, since it is larger than the sum of its proper divisors (198404689107).

383305390893 is a wasteful number, since it uses less digits than its factorization.

383305390893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346256049 (or 346256043 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 383305390893 in words is "three hundred eighty-three billion, three hundred five million, three hundred ninety thousand, eight hundred ninety-three".