121653452646434 has 16 divisors (see below), whose sum is σ = 183590857751616. Its totient is φ = 60456571424400.

The previous prime is 121653452646421. The next prime is 121653452646497. The reversal of 121653452646434 is 434646254356121.

It is a self number, because there is not a number n which added to its sum of digits gives 121653452646434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14424797 + ... + 21245744.

It is an arithmetic number, because the mean of its divisors is an integer number (11474428609476).

Almost surely, 2^{121653452646434} is an apocalyptic number.

121653452646434 is a deficient number, since it is larger than the sum of its proper divisors (61937405105182).

121653452646434 is a wasteful number, since it uses less digits than its factorization.

121653452646434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35680921.

The product of its digits is 49766400, while the sum is 56.

The spelling of 121653452646434 in words is "one hundred twenty-one trillion, six hundred fifty-three billion, four hundred fifty-two million, six hundred forty-six thousand, four hundred thirty-four".