1806876906973 has 2 divisors, whose sum is σ = 1806876906974. Its totient is φ = 1806876906972.

The previous prime is 1806876906949. The next prime is 1806876906997. The reversal of 1806876906973 is 3796096786081.

It is a balanced prime because it is at equal distance from previous prime (1806876906949) and next prime (1806876906997).

It can be written as a sum of positive squares in only one way, i.e., 1066101680484 + 740775226489 = 1032522^2 + 860683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1806876906973 - 2⁵ = 1806876906941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1806076906973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903438453486 + 903438453487.

It is an arithmetic number, because the mean of its divisors is an integer number (903438453487).

Almost surely, 2^{1806876906973} is an apocalyptic number.

It is an amenable number.

1806876906973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1806876906973 is an equidigital number, since it uses as much as digits as its factorization.

1806876906973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 1806876906973 in words is "one trillion, eight hundred six billion, eight hundred seventy-six million, nine hundred six thousand, nine hundred seventy-three".