64645086710650 has 48 divisors (see below), whose sum is σ = 130273557030144. Its totient is φ = 23770997671680.

The previous prime is 64645086710627. The next prime is 64645086710651. The reversal of 64645086710650 is 5601768054646.

It is not an unprimeable number, because it can be changed into a prime (64645086710651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 884301162 + ... + 884374261.

It is an arithmetic number, because the mean of its divisors is an integer number (2714032438128).

Almost surely, 2^{64645086710650} is an apocalyptic number.

64645086710650 is an abundant number, since it is smaller than the sum of its proper divisors (65628470319494).

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

64645086710650 is a wasteful number, since it uses less digits than its factorization.

64645086710650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768675495 (or 1768675490 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 64645086710650 in words is "sixty-four trillion, six hundred forty-five billion, eighty-six million, seven hundred ten thousand, six hundred fifty".