64536103273 has 16 divisors (see below), whose sum is σ = 72177025536. Its totient is φ = 57413502720.

The previous prime is 64536103243. The next prime is 64536103297. The reversal of 64536103273 is 37230163546.

64536103273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64536103273 - 2⁵ = 64536103241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64536103223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401286 + ... + 1446607.

It is an arithmetic number, because the mean of its divisors is an integer number (4511064096).

Almost surely, 2^64536103273 is an apocalyptic number.

It is an amenable number.

64536103273 is a deficient number, since it is larger than the sum of its proper divisors (7640922263).

64536103273 is a wasteful number, since it uses less digits than its factorization.

64536103273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847984.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 64536103273 in words is "sixty-four billion, five hundred thirty-six million, one hundred three thousand, two hundred seventy-three".