801693983 has 2 divisors, whose sum is σ = 801693984. Its totient is φ = 801693982.

The previous prime is 801693943. The next prime is 801693989. The reversal of 801693983 is 389396108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 801693983 - 2¹⁶ = 801628447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801693989) 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, 400846991 + 400846992.

It is an arithmetic number, because the mean of its divisors is an integer number (400846992).

Almost surely, 2^801693983 is an apocalyptic number.

801693983 is a deficient number, since it is larger than the sum of its proper divisors (1).

801693983 is an equidigital number, since it uses as much as digits as its factorization.

801693983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 801693983 is about 28314.2010835552. The cubic root of 801693983 is about 928.9725358347.

The spelling of 801693983 in words is "eight hundred one million, six hundred ninety-three thousand, nine hundred eighty-three".