1806734214547 has 24 divisors (see below), whose sum is σ = 1858702551552. Its totient is φ = 1756159737600.

The previous prime is 1806734214533. The next prime is 1806734214611. The reversal of 1806734214547 is 7454124376081.

It is not a de Polignac number, because 1806734214547 - 2¹⁹ = 1806733690259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1806734214494 and 1806734214503.

It is not an unprimeable number, because it can be changed into a prime (1806734211547) 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 23 ways as a sum of consecutive naturals, for example, 203892897 + ... + 203901757.

It is an arithmetic number, because the mean of its divisors is an integer number (77445939648).

Almost surely, 2^{1806734214547} is an apocalyptic number.

1806734214547 is a deficient number, since it is larger than the sum of its proper divisors (51968337005).

1806734214547 is an equidigital number, since it uses as much as digits as its factorization.

1806734214547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579 (or 9532 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 1806734214547 in words is "one trillion, eight hundred six billion, seven hundred thirty-four million, two hundred fourteen thousand, five hundred forty-seven".