1990000703 has 2 divisors, whose sum is σ = 1990000704. Its totient is φ = 1990000702.

The previous prime is 1990000697. The next prime is 1990000717. The reversal of 1990000703 is 3070000991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1990000703 - 2¹² = 1989996607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1990000003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 995000351 + 995000352.

It is an arithmetic number, because the mean of its divisors is an integer number (995000352).

Almost surely, 2^1990000703 is an apocalyptic number.

1990000703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1990000703 is an equidigital number, since it uses as much as digits as its factorization.

1990000703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 1990000703 is about 44609.4239258926. The cubic root of 1990000703 is about 1257.8178200584.

The spelling of 1990000703 in words is "one billion, nine hundred ninety million, seven hundred three", and thus it is an aban number.