990063743 has 2 divisors, whose sum is σ = 990063744. Its totient is φ = 990063742.

The previous prime is 990063721. The next prime is 990063749. The reversal of 990063743 is 347360099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 990063743 - 2¹² = 990059647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 990063743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990063749) 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, 495031871 + 495031872.

It is an arithmetic number, because the mean of its divisors is an integer number (495031872).

Almost surely, 2^990063743 is an apocalyptic number.

990063743 is a deficient number, since it is larger than the sum of its proper divisors (1).

990063743 is an equidigital number, since it uses as much as digits as its factorization.

990063743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 990063743 is about 31465.2783715638. The cubic root of 990063743 is about 996.6768834623.

The spelling of 990063743 in words is "nine hundred ninety million, sixty-three thousand, seven hundred forty-three".