800699941 has 2 divisors, whose sum is σ = 800699942. Its totient is φ = 800699940.

The previous prime is 800699929. The next prime is 800699971. The reversal of 800699941 is 149996008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468549316 + 332150625 = 21646^2 + 18225^2 .

It is a cyclic number.

It is not a de Polignac number, because 800699941 - 2²⁷ = 666482213 is a prime.

It is a super-2 number, since 2×800699941² = 1282240791034806962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 800699891 and 800699900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800699971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400349970 + 400349971.

It is an arithmetic number, because the mean of its divisors is an integer number (400349971).

Almost surely, 2^800699941 is an apocalyptic number.

It is an amenable number.

800699941 is a deficient number, since it is larger than the sum of its proper divisors (1).

800699941 is an equidigital number, since it uses as much as digits as its factorization.

800699941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 800699941 is about 28296.6418678966. The cubic root of 800699941 is about 928.5884243302.

The spelling of 800699941 in words is "eight hundred million, six hundred ninety-nine thousand, nine hundred forty-one".