65328906241 has 4 divisors (see below), whose sum is σ = 65339787712. Its totient is φ = 65318024772.

The previous prime is 65328906191. The next prime is 65328906257. The reversal of 65328906241 is 14260982356.

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 a cyclic number.

It is not a de Polignac number, because 65328906241 - 2²⁵ = 65295351809 is a prime.

It is a super-4 number, since 4×65328906241⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65328906191 and 65328906200.

It is not an unprimeable number, because it can be changed into a prime (65328976241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5431725 + ... + 5443738.

It is an arithmetic number, because the mean of its divisors is an integer number (16334946928).

It is a Proth number, since it is equal to 124605 ⋅ 2¹⁹ + 1 and 124605 < 2¹⁹.

Almost surely, 2^65328906241 is an apocalyptic number.

It is an amenable number.

65328906241 is a deficient number, since it is larger than the sum of its proper divisors (10881471).

65328906241 is a wasteful number, since it uses less digits than its factorization.

65328906241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881470.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 65328906241 in words is "sixty-five billion, three hundred twenty-eight million, nine hundred six thousand, two hundred forty-one".