1988322683 has 2 divisors, whose sum is σ = 1988322684. Its totient is φ = 1988322682.

The previous prime is 1988322599. The next prime is 1988322689. The reversal of 1988322683 is 3862238891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1988322683 - 2¹⁸ = 1988060539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1988322689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994161341 + 994161342.

It is an arithmetic number, because the mean of its divisors is an integer number (994161342).

Almost surely, 2^1988322683 is an apocalyptic number.

1988322683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988322683 is an equidigital number, since it uses as much as digits as its factorization.

1988322683 is an evil number, because the sum of its binary digits is even.

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

The square root of 1988322683 is about 44590.6120500717. The cubic root of 1988322683 is about 1257.4641791471.

The spelling of 1988322683 in words is "one billion, nine hundred eighty-eight million, three hundred twenty-two thousand, six hundred eighty-three".