64225203645 has 16 divisors (see below), whose sum is σ = 102948200640. Its totient is φ = 34190817024.

The previous prime is 64225203593. The next prime is 64225203649. The reversal of 64225203645 is 54630252246.

It is not a de Polignac number, because 64225203645 - 2¹⁰ = 64225202621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64225203649) 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 15 ways as a sum of consecutive naturals, for example, 3905580 + ... + 3921989.

It is an arithmetic number, because the mean of its divisors is an integer number (6434262540).

Almost surely, 2^64225203645 is an apocalyptic number.

It is an amenable number.

64225203645 is a deficient number, since it is larger than the sum of its proper divisors (38722996995).

64225203645 is a wasteful number, since it uses less digits than its factorization.

64225203645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828124.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 64225203645 in words is "sixty-four billion, two hundred twenty-five million, two hundred three thousand, six hundred forty-five".