64748675060650 has 72 divisors (see below), whose sum is σ = 140154592406976. Its totient is φ = 22190101164000.

The previous prime is 64748675060647. The next prime is 64748675060689. The reversal of 64748675060650 is 5606057684746.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 139357 + ... + 11380543.

It is an arithmetic number, because the mean of its divisors is an integer number (1946591561208).

Almost surely, 2^{64748675060650} is an apocalyptic number.

64748675060650 is an abundant number, since it is smaller than the sum of its proper divisors (75405917346326).

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

64748675060650 is a wasteful number, since it uses less digits than its factorization.

64748675060650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243564 (or 11243552 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 64748675060650 in words is "sixty-four trillion, seven hundred forty-eight billion, six hundred seventy-five million, sixty thousand, six hundred fifty".