64895642300 has 18 divisors (see below), whose sum is σ = 140823544008. Its totient is φ = 25958256880.

The previous prime is 64895642281. The next prime is 64895642303. The reversal of 64895642300 is 324659846.

It is a super-2 number, since 2×64895642300² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64895642303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324478112 + ... + 324478311.

Almost surely, 2^64895642300 is an apocalyptic number.

It is an amenable number.

64895642300 is an abundant number, since it is smaller than the sum of its proper divisors (75927901708).

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

64895642300 is a wasteful number, since it uses less digits than its factorization.

64895642300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648956437 (or 648956430 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 64895642300 in words is "sixty-four billion, eight hundred ninety-five million, six hundred forty-two thousand, three hundred".