13208428469 has 2 divisors, whose sum is σ = 13208428470. Its totient is φ = 13208428468.

The previous prime is 13208428459. The next prime is 13208428489. The reversal of 13208428469 is 96482480231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12826695025 + 381733444 = 113255^2 + 19538^2 .

It is a cyclic number.

It is not a de Polignac number, because 13208428469 - 2²⁰ = 13207379893 is a prime.

It is a super-2 number, since 2×13208428469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13208428439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6604214234 + 6604214235.

It is an arithmetic number, because the mean of its divisors is an integer number (6604214235).

Almost surely, 2^13208428469 is an apocalyptic number.

It is an amenable number.

13208428469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13208428469 is an equidigital number, since it uses as much as digits as its factorization.

13208428469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 13208428469 in words is "thirteen billion, two hundred eight million, four hundred twenty-eight thousand, four hundred sixty-nine".