64436544624050 has 24 divisors (see below), whose sum is σ = 122402014983936. Its totient is φ = 25226221724240.

The previous prime is 64436544624013. The next prime is 64436544624187. The reversal of 64436544624050 is 5042644563446.

It is a junction number, because it is equal to n+sod(n) for n = 64436544623983 and 64436544624001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13709900762 + ... + 13709905461.

It is an arithmetic number, because the mean of its divisors is an integer number (5100083957664).

Almost surely, 2^{64436544624050} is an apocalyptic number.

64436544624050 is a deficient number, since it is larger than the sum of its proper divisors (57965470359886).

64436544624050 is a wasteful number, since it uses less digits than its factorization.

64436544624050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27419806282 (or 27419806277 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 53.

The spelling of 64436544624050 in words is "sixty-four trillion, four hundred thirty-six billion, five hundred forty-four million, six hundred twenty-four thousand, fifty".