64945730104 has 16 divisors (see below), whose sum is σ = 121776292800. Its totient is φ = 32472052032.

The previous prime is 64945730089. The next prime is 64945730167. The reversal of 64945730104 is 40103754946.

It is a super-2 number, since 2×64945730104² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362617 + ... + 511255.

It is an arithmetic number, because the mean of its divisors is an integer number (7611018300).

Almost surely, 2^64945730104 is an apocalyptic number.

It is an amenable number.

64945730104 is a deficient number, since it is larger than the sum of its proper divisors (56830562696).

64945730104 is a wasteful number, since it uses less digits than its factorization.

64945730104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203262 (or 203258 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 64945730104 in words is "sixty-four billion, nine hundred forty-five million, seven hundred thirty thousand, one hundred four".