12354405664434 has 64 divisors (see below), whose sum is σ = 25344865180800. Its totient is φ = 4012599048192.

The previous prime is 12354405664421. The next prime is 12354405664481. The reversal of 12354405664434 is 43446650445321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298474212 + ... + 298515600.

It is an arithmetic number, because the mean of its divisors is an integer number (396013518450).

Almost surely, 2^{12354405664434} is an apocalyptic number.

12354405664434 is an abundant number, since it is smaller than the sum of its proper divisors (12990459516366).

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

12354405664434 is a wasteful number, since it uses less digits than its factorization.

12354405664434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44219.

The product of its (nonzero) digits is 16588800, while the sum is 51.

The spelling of 12354405664434 in words is "twelve trillion, three hundred fifty-four billion, four hundred five million, six hundred sixty-four thousand, four hundred thirty-four".