999696743 has 2 divisors, whose sum is σ = 999696744. Its totient is φ = 999696742.

The previous prime is 999696703. The next prime is 999696751. The reversal of 999696743 is 347696999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999696743 - 2¹⁶ = 999631207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999696703) 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, 499848371 + 499848372.

It is an arithmetic number, because the mean of its divisors is an integer number (499848372).

Almost surely, 2^999696743 is an apocalyptic number.

999696743 is a deficient number, since it is larger than the sum of its proper divisors (1).

999696743 is an equidigital number, since it uses as much as digits as its factorization.

999696743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 62.

The square root of 999696743 is about 31617.9813239239. The cubic root of 999696743 is about 999.8989041133.

The spelling of 999696743 in words is "nine hundred ninety-nine million, six hundred ninety-six thousand, seven hundred forty-three".