12500046025469 has 2 divisors, whose sum is σ = 12500046025470. Its totient is φ = 12500046025468.

The previous prime is 12500046025451. The next prime is 12500046025549. The reversal of 12500046025469 is 96452064000521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7082719950244 + 5417326075225 = 2661338^2 + 2327515^2 .

It is an emirp because it is prime and its reverse (96452064000521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12500046025469 - 2²⁴ = 12500029248253 is a prime.

It is a super-2 number, since 2×12500046025469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12500046028469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250023012734 + 6250023012735.

It is an arithmetic number, because the mean of its divisors is an integer number (6250023012735).

Almost surely, 2^{12500046025469} is an apocalyptic number.

It is an amenable number.

12500046025469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500046025469 is an equidigital number, since it uses as much as digits as its factorization.

12500046025469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 12500046025469 in words is "twelve trillion, five hundred billion, forty-six million, twenty-five thousand, four hundred sixty-nine".