800009741 has 2 divisors, whose sum is σ = 800009742. Its totient is φ = 800009740.

The previous prime is 800009729. The next prime is 800009773. The reversal of 800009741 is 147900008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742780516 + 57229225 = 27254^2 + 7565^2 .

It is a cyclic number.

It is not a de Polignac number, because 800009741 - 2²⁶ = 732900877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800009141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400004870 + 400004871.

It is an arithmetic number, because the mean of its divisors is an integer number (400004871).

Almost surely, 2^800009741 is an apocalyptic number.

It is an amenable number.

800009741 is a deficient number, since it is larger than the sum of its proper divisors (1).

800009741 is an equidigital number, since it uses as much as digits as its factorization.

800009741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 800009741 is about 28284.4434451166. The cubic root of 800009741 is about 928.3215345170.

Adding to 800009741 its reverse (147900008), we get a palindrome (947909749).

The spelling of 800009741 in words is "eight hundred million, nine thousand, seven hundred forty-one".