64299722706 has 12 divisors (see below), whose sum is σ = 139316065902. Its totient is φ = 21433240896.

The previous prime is 64299722701. The next prime is 64299722723. The reversal of 64299722706 is 60722799246.

It can be written as a sum of positive squares in only one way, i.e., 44967323025 + 19332399681 = 212055^2 + 139041^2 .

It is not an unprimeable number, because it can be changed into a prime (64299722701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1786103391 + ... + 1786103426.

Almost surely, 2^64299722706 is an apocalyptic number.

64299722706 is an abundant number, since it is smaller than the sum of its proper divisors (75016343196).

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

64299722706 is a wasteful number, since it uses less digits than its factorization.

64299722706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572206825 (or 3572206822 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 64299722706 in words is "sixty-four billion, two hundred ninety-nine million, seven hundred twenty-two thousand, seven hundred six".