12904945574609 has 32 divisors (see below), whose sum is σ = 14629364411904. Its totient is φ = 11282193578880.

The previous prime is 12904945574603. The next prime is 12904945574617. The reversal of 12904945574609 is 90647554940921.

It is a cyclic number.

It is not a de Polignac number, because 12904945574609 - 2²⁸ = 12904677139153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12904945574603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7467437 + ... + 9031749.

It is an arithmetic number, because the mean of its divisors is an integer number (457167637872).

Almost surely, 2^{12904945574609} is an apocalyptic number.

It is an amenable number.

12904945574609 is a deficient number, since it is larger than the sum of its proper divisors (1724418837295).

12904945574609 is a wasteful number, since it uses less digits than its factorization.

12904945574609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564637.

The product of its (nonzero) digits is 97977600, while the sum is 65.

The spelling of 12904945574609 in words is "twelve trillion, nine hundred four billion, nine hundred forty-five million, five hundred seventy-four thousand, six hundred nine".