64823535353 has 4 divisors (see below), whose sum is σ = 64825265268. Its totient is φ = 64821805440.

The previous prime is 64823535349. The next prime is 64823535373. The reversal of 64823535353 is 35353532846.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17572948969 + 47250586384 = 132563^2 + 217372^2 .

It is a cyclic number.

It is not a de Polignac number, because 64823535353 - 2² = 64823535349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64823535298 and 64823535307.

It is not an unprimeable number, because it can be changed into a prime (64823535313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807476 + ... + 884117.

It is an arithmetic number, because the mean of its divisors is an integer number (16206316317).

Almost surely, 2^64823535353 is an apocalyptic number.

It is an amenable number.

64823535353 is a deficient number, since it is larger than the sum of its proper divisors (1729915).

64823535353 is a wasteful number, since it uses less digits than its factorization.

64823535353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729914.

The product of its digits is 3888000, while the sum is 47.

The spelling of 64823535353 in words is "sixty-four billion, eight hundred twenty-three million, five hundred thirty-five thousand, three hundred fifty-three".