12904909561974 has 8 divisors (see below), whose sum is σ = 25809819123960. Its totient is φ = 4301636520656.

The previous prime is 12904909561909. The next prime is 12904909562003. The reversal of 12904909561974 is 47916590940921.

12904909561974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12904909561974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075409130159 + ... + 1075409130170.

It is an arithmetic number, because the mean of its divisors is an integer number (3226227390495).

Almost surely, 2^{12904909561974} is an apocalyptic number.

12904909561974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12904909561974 is a wasteful number, since it uses less digits than its factorization.

12904909561974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150818260334.

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 12904909561974 in words is "twelve trillion, nine hundred four billion, nine hundred nine million, five hundred sixty-one thousand, nine hundred seventy-four".