1988056003 has 2 divisors, whose sum is σ = 1988056004. Its totient is φ = 1988056002.

The previous prime is 1988055983. The next prime is 1988056033. The reversal of 1988056003 is 3006508891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1988056003 - 2¹⁷ = 1987924931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1988056033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994028001 + 994028002.

It is an arithmetic number, because the mean of its divisors is an integer number (994028002).

Almost surely, 2^1988056003 is an apocalyptic number.

1988056003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988056003 is an equidigital number, since it uses as much as digits as its factorization.

1988056003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1988056003 is about 44587.6216342608. The cubic root of 1988056003 is about 1257.4079583027.

The spelling of 1988056003 in words is "one billion, nine hundred eighty-eight million, fifty-six thousand, three".