12752752469 has 2 divisors, whose sum is σ = 12752752470. Its totient is φ = 12752752468.

The previous prime is 12752752423. The next prime is 12752752531. The reversal of 12752752469 is 96425725721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7046763025 + 5705989444 = 83945^2 + 75538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12752752469 - 2⁸ = 12752752213 is a prime.

It is a super-2 number, since 2×12752752469² (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 (12752752409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376376234 + 6376376235.

It is an arithmetic number, because the mean of its divisors is an integer number (6376376235).

Almost surely, 2^12752752469 is an apocalyptic number.

It is an amenable number.

12752752469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12752752469 is an equidigital number, since it uses as much as digits as its factorization.

12752752469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 50.

The spelling of 12752752469 in words is "twelve billion, seven hundred fifty-two million, seven hundred fifty-two thousand, four hundred sixty-nine".