801633673 has 2 divisors, whose sum is σ = 801633674. Its totient is φ = 801633672.

The previous prime is 801633641. The next prime is 801633683. The reversal of 801633673 is 376336108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769063824 + 32569849 = 27732^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 801633673 - 2⁵ = 801633641 is a prime.

It is not a weakly prime, because it can be changed into another prime (801633683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400816836 + 400816837.

It is an arithmetic number, because the mean of its divisors is an integer number (400816837).

Almost surely, 2^801633673 is an apocalyptic number.

It is an amenable number.

801633673 is a deficient number, since it is larger than the sum of its proper divisors (1).

801633673 is an equidigital number, since it uses as much as digits as its factorization.

801633673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 801633673 is about 28313.1360502506. The cubic root of 801633673 is about 928.9492402714.

The spelling of 801633673 in words is "eight hundred one million, six hundred thirty-three thousand, six hundred seventy-three".