13143232369 has 2 divisors, whose sum is σ = 13143232370. Its totient is φ = 13143232368.

The previous prime is 13143232331. The next prime is 13143232391. The reversal of 13143232369 is 96323234131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10367312400 + 2775919969 = 101820^2 + 52687^2 .

It is a cyclic number.

It is not a de Polignac number, because 13143232369 - 2¹³ = 13143224177 is a prime.

It is a super-2 number, since 2×13143232369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13143232469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571616184 + 6571616185.

It is an arithmetic number, because the mean of its divisors is an integer number (6571616185).

Almost surely, 2^13143232369 is an apocalyptic number.

It is an amenable number.

13143232369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143232369 is an equidigital number, since it uses as much as digits as its factorization.

13143232369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The spelling of 13143232369 in words is "thirteen billion, one hundred forty-three million, two hundred thirty-two thousand, three hundred sixty-nine".