1847380068649 has 16 divisors (see below), whose sum is σ = 1887712288000. Its totient is φ = 1807520158080.

The previous prime is 1847380068643. The next prime is 1847380068691. The reversal of 1847380068649 is 9468600837481.

It is a cyclic number.

It is not a de Polignac number, because 1847380068649 - 2³⁵ = 1813020330281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1847380068643) 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 15 ways as a sum of consecutive naturals, for example, 5785237 + ... + 6096205.

It is an arithmetic number, because the mean of its divisors is an integer number (117982018000).

Almost surely, 2^{1847380068649} is an apocalyptic number.

It is an amenable number.

1847380068649 is a deficient number, since it is larger than the sum of its proper divisors (40332219351).

1847380068649 is a wasteful number, since it uses less digits than its factorization.

1847380068649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311728.

The product of its (nonzero) digits is 55738368, while the sum is 64.

The spelling of 1847380068649 in words is "one trillion, eight hundred forty-seven billion, three hundred eighty million, sixty-eight thousand, six hundred forty-nine".