65221459201 has 8 divisors (see below), whose sum is σ = 68927695200. Its totient is φ = 61542576000.

The previous prime is 65221459183. The next prime is 65221459211. The reversal of 65221459201 is 10295412256.

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 65221459201 - 2¹⁵ = 65221426433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65221459211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6833296 + ... + 6842833.

It is an arithmetic number, because the mean of its divisors is an integer number (8615961900).

Almost surely, 2^65221459201 is an apocalyptic number.

It is an amenable number.

65221459201 is a deficient number, since it is larger than the sum of its proper divisors (3706235999).

65221459201 is a wasteful number, since it uses less digits than its factorization.

65221459201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13676399.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 65221459201 in words is "sixty-five billion, two hundred twenty-one million, four hundred fifty-nine thousand, two hundred one".