12690459029 has 2 divisors, whose sum is σ = 12690459030. Its totient is φ = 12690459028.

The previous prime is 12690459017. The next prime is 12690459037. The reversal of 12690459029 is 92095409621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432696004 + 257763025 = 111502^2 + 16055^2 .

It is an emirp because it is prime and its reverse (92095409621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12690459029 is a prime.

It is a super-2 number, since 2×12690459029² (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 (12690452029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6345229514 + 6345229515.

It is an arithmetic number, because the mean of its divisors is an integer number (6345229515).

Almost surely, 2^12690459029 is an apocalyptic number.

It is an amenable number.

12690459029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12690459029 is an equidigital number, since it uses as much as digits as its factorization.

12690459029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 12690459029 in words is "twelve billion, six hundred ninety million, four hundred fifty-nine thousand, twenty-nine".