2108381944383 has 288 divisors, whose sum is σ = 3927976416000. Its totient is φ = 1076492851200.

The previous prime is 2108381944367. The next prime is 2108381944433. The reversal of 2108381944383 is 3834491838012.

It is a happy number.

2108381944383 is a `hidden beast` number, since 2 + 10 + 8 + 3 + 8 + 194 + 438 + 3 = 666.

It is not a de Polignac number, because 2108381944383 - 2⁴ = 2108381944367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108381944303) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1081775293 + ... + 1081777241.

It is an arithmetic number, because the mean of its divisors is an integer number (13638807000).

Almost surely, 2^{2108381944383} is an apocalyptic number.

2108381944383 is a deficient number, since it is larger than the sum of its proper divisors (1819594471617).

2108381944383 is a wasteful number, since it uses less digits than its factorization.

2108381944383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 2108381944383 in words is "two trillion, one hundred eight billion, three hundred eighty-one million, nine hundred forty-four thousand, three hundred eighty-three".