13453489069 has 2 divisors, whose sum is σ = 13453489070. Its totient is φ = 13453489068.

The previous prime is 13453489067. The next prime is 13453489157. The reversal of 13453489069 is 96098435431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6878711844 + 6574777225 = 82938^2 + 81085^2 .

It is a cyclic number.

It is not a de Polignac number, because 13453489069 - 2¹ = 13453489067 is a prime.

It is a super-2 number, since 2×13453489069² (a number of 21 digits) contains 22 as substring.

Together with 13453489067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13453489067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726744534 + 6726744535.

It is an arithmetic number, because the mean of its divisors is an integer number (6726744535).

Almost surely, 2^13453489069 is an apocalyptic number.

It is an amenable number.

13453489069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453489069 is an equidigital number, since it uses as much as digits as its factorization.

13453489069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 13453489069 in words is "thirteen billion, four hundred fifty-three million, four hundred eighty-nine thousand, sixty-nine".