65449887033 has 8 divisors (see below), whose sum is σ = 87754039200. Its totient is φ = 43389496448.

The previous prime is 65449886993. The next prime is 65449887047. The reversal of 65449887033 is 33078894456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65449887033 - 2¹⁶ = 65449821497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65449887073) 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 7 ways as a sum of consecutive naturals, for example, 60939768 + ... + 60940841.

It is an arithmetic number, because the mean of its divisors is an integer number (10969254900).

Almost surely, 2^65449887033 is an apocalyptic number.

It is an amenable number.

65449887033 is a deficient number, since it is larger than the sum of its proper divisors (22304152167).

65449887033 is a wasteful number, since it uses less digits than its factorization.

65449887033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121880791.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 65449887033 in words is "sixty-five billion, four hundred forty-nine million, eight hundred eighty-seven thousand, thirty-three".