64450220314 has 4 divisors (see below), whose sum is σ = 96675330474. Its totient is φ = 32225110156.

The previous prime is 64450220309. The next prime is 64450220323. The reversal of 64450220314 is 41302205446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64202944689 + 247275625 = 253383^2 + 15725^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16112555077 + ... + 16112555080.

Almost surely, 2^64450220314 is an apocalyptic number.

64450220314 is a deficient number, since it is larger than the sum of its proper divisors (32225110160).

64450220314 is a wasteful number, since it uses less digits than its factorization.

64450220314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32225110159.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 64450220314 in words is "sixty-four billion, four hundred fifty million, two hundred twenty thousand, three hundred fourteen".