1831480805 has 48 divisors (see below), whose sum is σ = 2923361280. Its totient is φ = 1074501120.

The previous prime is 1831480793. The next prime is 1831480901. The reversal of 1831480805 is 5080841381.

It is not a de Polignac number, because 1831480805 - 2⁸ = 1831480549 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 59276 + ... + 84714.

It is an arithmetic number, because the mean of its divisors is an integer number (60903360).

Almost surely, 2^1831480805 is an apocalyptic number.

It is an amenable number.

1831480805 is a deficient number, since it is larger than the sum of its proper divisors (1091880475).

1831480805 is a wasteful number, since it uses less digits than its factorization.

1831480805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490 (or 25479 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1831480805 is about 42795.8035910064. The cubic root of 1831480805 is about 1223.4910321855.

The spelling of 1831480805 in words is "one billion, eight hundred thirty-one million, four hundred eighty thousand, eight hundred five".