3778744945383 has 24 divisors (see below), whose sum is σ = 5606888545440. Its totient is φ = 2450874186240.

The previous prime is 3778744945369. The next prime is 3778744945403. The reversal of 3778744945383 is 3835494478773.

3778744945383 is a `hidden beast` number, since 3 + 7 + 7 + 8 + 7 + 4 + 494 + 53 + 83 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-3778744945383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778744945343) 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 23 ways as a sum of consecutive naturals, for example, 14130066 + ... + 14395007.

It is an arithmetic number, because the mean of its divisors is an integer number (233620356060).

Almost surely, 2^{3778744945383} is an apocalyptic number.

3778744945383 is a deficient number, since it is larger than the sum of its proper divisors (1828143600057).

3778744945383 is a wasteful number, since it uses less digits than its factorization.

3778744945383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28525479 (or 28525476 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 72.

The spelling of 3778744945383 in words is "three trillion, seven hundred seventy-eight billion, seven hundred forty-four million, nine hundred forty-five thousand, three hundred eighty-three".