1980886343 has 2 divisors, whose sum is σ = 1980886344. Its totient is φ = 1980886342.

The previous prime is 1980886307. The next prime is 1980886361. The reversal of 1980886343 is 3436880891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1980886343 - 2¹⁴ = 1980869959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1980886291 and 1980886300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1980886043) 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 as a sum of consecutive naturals, namely, 990443171 + 990443172.

It is an arithmetic number, because the mean of its divisors is an integer number (990443172).

Almost surely, 2^1980886343 is an apocalyptic number.

1980886343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980886343 is an equidigital number, since it uses as much as digits as its factorization.

1980886343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 1980886343 is about 44507.1493470431. The cubic root of 1980886343 is about 1255.8945792944.

The spelling of 1980886343 in words is "one billion, nine hundred eighty million, eight hundred eighty-six thousand, three hundred forty-three".