381182312449 has 16 divisors (see below), whose sum is σ = 415395175680. Its totient is φ = 348595021440.

The previous prime is 381182312419. The next prime is 381182312501. The reversal of 381182312449 is 944213281183.

It is a cyclic number.

It is not a de Polignac number, because 381182312449 - 2¹³ = 381182304257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381182312399 and 381182312408.

It is not an unprimeable number, because it can be changed into a prime (381182312419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2858482 + ... + 2988859.

It is an arithmetic number, because the mean of its divisors is an integer number (25962198480).

Almost surely, 2^381182312449 is an apocalyptic number.

It is an amenable number.

381182312449 is a deficient number, since it is larger than the sum of its proper divisors (34212863231).

381182312449 is a wasteful number, since it uses less digits than its factorization.

381182312449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5847480.

The product of its digits is 331776, while the sum is 46.

The spelling of 381182312449 in words is "three hundred eighty-one billion, one hundred eighty-two million, three hundred twelve thousand, four hundred forty-nine".