1988056033 has 2 divisors, whose sum is σ = 1988056034. Its totient is φ = 1988056032.

The previous prime is 1988056003. The next prime is 1988056073. The reversal of 1988056033 is 3306508891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1726651809 + 261404224 = 41553^2 + 16168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1988056033 - 2⁹ = 1988055521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1988056003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994028016 + 994028017.

It is an arithmetic number, because the mean of its divisors is an integer number (994028017).

Almost surely, 2^1988056033 is an apocalyptic number.

It is an amenable number.

1988056033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988056033 is an equidigital number, since it uses as much as digits as its factorization.

1988056033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1988056033 is about 44587.6219706770. The cubic root of 1988056033 is about 1257.4079646275.

The spelling of 1988056033 in words is "one billion, nine hundred eighty-eight million, fifty-six thousand, thirty-three".