899196539 has 2 divisors, whose sum is σ = 899196540. Its totient is φ = 899196538.

The previous prime is 899196497. The next prime is 899196563. The reversal of 899196539 is 935691998.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899196539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (899126539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449598269 + 449598270.

It is an arithmetic number, because the mean of its divisors is an integer number (449598270).

Almost surely, 2^899196539 is an apocalyptic number.

899196539 is a deficient number, since it is larger than the sum of its proper divisors (1).

899196539 is an equidigital number, since it uses as much as digits as its factorization.

899196539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4723920, while the sum is 59.

The square root of 899196539 is about 29986.6059933431. The cubic root of 899196539 is about 965.2019905233.

The spelling of 899196539 in words is "eight hundred ninety-nine million, one hundred ninety-six thousand, five hundred thirty-nine".