381559522849 has 8 divisors (see below), whose sum is σ = 382989600000. Its totient is φ = 380129608800.

The previous prime is 381559522811. The next prime is 381559522873. The reversal of 381559522849 is 948225955183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381559522849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381559522349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6755277 + ... + 6811525.

It is an arithmetic number, because the mean of its divisors is an integer number (47873700000).

Almost surely, 2^381559522849 is an apocalyptic number.

It is an amenable number.

381559522849 is a deficient number, since it is larger than the sum of its proper divisors (1430077151).

381559522849 is a wasteful number, since it uses less digits than its factorization.

381559522849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81551.

The product of its digits is 31104000, while the sum is 61.

The spelling of 381559522849 in words is "three hundred eighty-one billion, five hundred fifty-nine million, five hundred twenty-two thousand, eight hundred forty-nine".