12469632719569 has 2 divisors, whose sum is σ = 12469632719570. Its totient is φ = 12469632719568.

The previous prime is 12469632719519. The next prime is 12469632719587. The reversal of 12469632719569 is 96591723696421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11955945161169 + 513687558400 = 3457737^2 + 716720^2 .

It is a cyclic number.

It is not a de Polignac number, because 12469632719569 - 2¹³ = 12469632711377 is a prime.

It is a super-2 number, since 2×12469632719569² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12469632719498 and 12469632719507.

It is not a weakly prime, because it can be changed into another prime (12469632719519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6234816359784 + 6234816359785.

It is an arithmetic number, because the mean of its divisors is an integer number (6234816359785).

Almost surely, 2^{12469632719569} is an apocalyptic number.

It is an amenable number.

12469632719569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12469632719569 is an equidigital number, since it uses as much as digits as its factorization.

12469632719569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264539520, while the sum is 70.

The spelling of 12469632719569 in words is "twelve trillion, four hundred sixty-nine billion, six hundred thirty-two million, seven hundred nineteen thousand, five hundred sixty-nine".