663353075311 has 4 divisors (see below), whose sum is σ = 692194513392. Its totient is φ = 634511637232.

The previous prime is 663353075303. The next prime is 663353075339. The reversal of 663353075311 is 113570353366.

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

It is a cyclic number.

It is not a de Polignac number, because 663353075311 - 2³ = 663353075303 is a prime.

It is a super-2 number, since 2×663353075311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663353075351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14420719006 + ... + 14420719051.

It is an arithmetic number, because the mean of its divisors is an integer number (173048628348).

Almost surely, 2^663353075311 is an apocalyptic number.

663353075311 is a deficient number, since it is larger than the sum of its proper divisors (28841438081).

663353075311 is a wasteful number, since it uses less digits than its factorization.

663353075311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28841438080.

The product of its (nonzero) digits is 510300, while the sum is 43.

The spelling of 663353075311 in words is "six hundred sixty-three billion, three hundred fifty-three million, seventy-five thousand, three hundred eleven".