800850493 has 2 divisors, whose sum is σ = 800850494. Its totient is φ = 800850492.

The previous prime is 800850487. The next prime is 800850503. The reversal of 800850493 is 394058008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408929284 + 391921209 = 20222^2 + 19797^2 .

It is a cyclic number.

It is not a de Polignac number, because 800850493 - 2¹⁷ = 800719421 is a prime.

It is equal to p_41187754 and since 800850493 and 41187754 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800850403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400425246 + 400425247.

It is an arithmetic number, because the mean of its divisors is an integer number (400425247).

Almost surely, 2^800850493 is an apocalyptic number.

It is an amenable number.

800850493 is a deficient number, since it is larger than the sum of its proper divisors (1).

800850493 is an equidigital number, since it uses as much as digits as its factorization.

800850493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 800850493 is about 28299.3019878583. The cubic root of 800850493 is about 928.6466201146.

It can be divided in two parts, 800850 and 493, that multiplied together give a triangular number (394819050 = T₂₈₁₀₀).

The spelling of 800850493 in words is "eight hundred million, eight hundred fifty thousand, four hundred ninety-three".