899315556229 has 2 divisors, whose sum is σ = 899315556230. Its totient is φ = 899315556228.

The previous prime is 899315556193. The next prime is 899315556263. The reversal of 899315556229 is 922655513998.

899315556229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899130650625 + 184905604 = 948225^2 + 13598^2 .

It is a cyclic number.

It is not a de Polignac number, because 899315556229 - 2²⁹ = 898778685317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899315556829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449657778114 + 449657778115.

It is an arithmetic number, because the mean of its divisors is an integer number (449657778115).

Almost surely, 2^899315556229 is an apocalyptic number.

It is an amenable number.

899315556229 is a deficient number, since it is larger than the sum of its proper divisors (1).

899315556229 is an equidigital number, since it uses as much as digits as its factorization.

899315556229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488000, while the sum is 64.

The spelling of 899315556229 in words is "eight hundred ninety-nine billion, three hundred fifteen million, five hundred fifty-six thousand, two hundred twenty-nine".