64550616033 has 4 divisors (see below), whose sum is σ = 86067488048. Its totient is φ = 43033744020.

The previous prime is 64550616023. The next prime is 64550616041. The reversal of 64550616033 is 33061605546.

It is a happy number.

64550616033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64550616033 - 2²⁶ = 64483507169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64550615982 and 64550616000.

It is not an unprimeable number, because it can be changed into a prime (64550616023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10758436003 + ... + 10758436008.

It is an arithmetic number, because the mean of its divisors is an integer number (21516872012).

Almost surely, 2^64550616033 is an apocalyptic number.

It is an amenable number.

64550616033 is a deficient number, since it is larger than the sum of its proper divisors (21516872015).

64550616033 is a wasteful number, since it uses less digits than its factorization.

64550616033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21516872014.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 64550616033 in words is "sixty-four billion, five hundred fifty million, six hundred sixteen thousand, thirty-three".