65353565379 has 4 divisors (see below), whose sum is σ = 87138087176. Its totient is φ = 43569043584.

The previous prime is 65353565369. The next prime is 65353565447. The reversal of 65353565379 is 97356535356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65353565379 - 2¹³ = 65353557187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65353565339) 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 3 ways as a sum of consecutive naturals, for example, 10892260894 + ... + 10892260899.

It is an arithmetic number, because the mean of its divisors is an integer number (21784521794).

Almost surely, 2^65353565379 is an apocalyptic number.

65353565379 is a deficient number, since it is larger than the sum of its proper divisors (21784521797).

65353565379 is a wasteful number, since it uses less digits than its factorization.

65353565379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21784521796.

The product of its digits is 38272500, while the sum is 57.

The spelling of 65353565379 in words is "sixty-five billion, three hundred fifty-three million, five hundred sixty-five thousand, three hundred seventy-nine".