899355133 has 2 divisors, whose sum is σ = 899355134. Its totient is φ = 899355132.

The previous prime is 899355091. The next prime is 899355151. The reversal of 899355133 is 331553998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677404729 + 221950404 = 26027^2 + 14898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899355133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899355173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449677566 + 449677567.

It is an arithmetic number, because the mean of its divisors is an integer number (449677567).

Almost surely, 2^899355133 is an apocalyptic number.

It is an amenable number.

899355133 is a deficient number, since it is larger than the sum of its proper divisors (1).

899355133 is an equidigital number, since it uses as much as digits as its factorization.

899355133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 46.

The square root of 899355133 is about 29989.2502907292. The cubic root of 899355133 is about 965.2587323809.

The spelling of 899355133 in words is "eight hundred ninety-nine million, three hundred fifty-five thousand, one hundred thirty-three".