65213322305 has 8 divisors (see below), whose sum is σ = 78350389800. Its totient is φ = 52107722496.

The previous prime is 65213322301. The next prime is 65213322353. The reversal of 65213322305 is 50322331256.

It can be written as a sum of positive squares in 4 ways, for example, as 1135487809 + 64077834496 = 33697^2 + 253136^2 .

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 65213322305 - 2² = 65213322301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65213322301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7862360 + ... + 7870649.

It is an arithmetic number, because the mean of its divisors is an integer number (9793798725).

Almost surely, 2^65213322305 is an apocalyptic number.

It is an amenable number.

65213322305 is a deficient number, since it is larger than the sum of its proper divisors (13137067495).

65213322305 is a wasteful number, since it uses less digits than its factorization.

65213322305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15733843.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 65213322305 in words is "sixty-five billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred five".