65354222881 has 8 divisors (see below), whose sum is σ = 65483959040. Its totient is φ = 65224560528.

The previous prime is 65354222861. The next prime is 65354222893. The reversal of 65354222881 is 18822245356.

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 65354222881 - 2⁹ = 65354222369 is a prime.

It is a super-2 number, since 2×65354222881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65354222861) 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, 1961695 + ... + 1994731.

It is an arithmetic number, because the mean of its divisors is an integer number (8185494880).

Almost surely, 2^65354222881 is an apocalyptic number.

It is an amenable number.

65354222881 is a deficient number, since it is larger than the sum of its proper divisors (129736159).

65354222881 is a wasteful number, since it uses less digits than its factorization.

65354222881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36903.

The product of its digits is 921600, while the sum is 46.

The spelling of 65354222881 in words is "sixty-five billion, three hundred fifty-four million, two hundred twenty-two thousand, eight hundred eighty-one".