899430563738269 has 2 divisors, whose sum is σ = 899430563738270. Its totient is φ = 899430563738268.

The previous prime is 899430563738263. The next prime is 899430563738309. The reversal of 899430563738269 is 962837365034998.

899430563738269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 895181865768100 + 4248697970169 = 29919590^2 + 2061237^2 .

It is a cyclic number.

It is not a de Polignac number, because 899430563738269 - 2⁹ = 899430563737757 is a prime.

It is a super-2 number, since 2×899430563738269² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 899430563738192 and 899430563738201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899430563738263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449715281869134 + 449715281869135.

It is an arithmetic number, because the mean of its divisors is an integer number (449715281869135).

Almost surely, 2^{899430563738269} is an apocalyptic number.

It is an amenable number.

899430563738269 is a deficient number, since it is larger than the sum of its proper divisors (1).

899430563738269 is an equidigital number, since it uses as much as digits as its factorization.

899430563738269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12697896960, while the sum is 82.

The spelling of 899430563738269 in words is "eight hundred ninety-nine trillion, four hundred thirty billion, five hundred sixty-three million, seven hundred thirty-eight thousand, two hundred sixty-nine".