1813080847 has 2 divisors, whose sum is σ = 1813080848. Its totient is φ = 1813080846.

The previous prime is 1813080817. The next prime is 1813080851. The reversal of 1813080847 is 7480803181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1813080847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1813080817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 906540423 + 906540424.

It is an arithmetic number, because the mean of its divisors is an integer number (906540424).

Almost surely, 2^1813080847 is an apocalyptic number.

1813080847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1813080847 is an equidigital number, since it uses as much as digits as its factorization.

1813080847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 1813080847 is about 42580.2870704273. The cubic root of 1813080847 is about 1219.3799695862.

The spelling of 1813080847 in words is "one billion, eight hundred thirteen million, eighty thousand, eight hundred forty-seven".