858490033 has 2 divisors, whose sum is σ = 858490034. Its totient is φ = 858490032.

The previous prime is 858489979. The next prime is 858490051. The reversal of 858490033 is 330094858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732893184 + 125596849 = 27072^2 + 11207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858490033 is a prime.

It is not a weakly prime, because it can be changed into another prime (858490733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429245016 + 429245017.

It is an arithmetic number, because the mean of its divisors is an integer number (429245017).

Almost surely, 2^858490033 is an apocalyptic number.

It is an amenable number.

858490033 is a deficient number, since it is larger than the sum of its proper divisors (1).

858490033 is an equidigital number, since it uses as much as digits as its factorization.

858490033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 858490033 is about 29300.0005631399. Note that the first 3 decimals coincide. The cubic root of 858490033 is about 950.4116528070.

The spelling of 858490033 in words is "eight hundred fifty-eight million, four hundred ninety thousand, thirty-three".