1840481366147 has 4 divisors (see below), whose sum is σ = 1854973345536. Its totient is φ = 1825989386760.

The previous prime is 1840481366131. The next prime is 1840481366159. The reversal of 1840481366147 is 7416631840481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1840481366147 - 2⁴ = 1840481366131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1840481336147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7245989504 + ... + 7245989757.

It is an arithmetic number, because the mean of its divisors is an integer number (463743336384).

Almost surely, 2^{1840481366147} is an apocalyptic number.

1840481366147 is a deficient number, since it is larger than the sum of its proper divisors (14491979389).

1840481366147 is a wasteful number, since it uses less digits than its factorization.

1840481366147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14491979388.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 1840481366147 in words is "one trillion, eight hundred forty billion, four hundred eighty-one million, three hundred sixty-six thousand, one hundred forty-seven".