663304011473 has 4 divisors (see below), whose sum is σ = 663307486260. Its totient is φ = 663300536688.

The previous prime is 663304011467. The next prime is 663304011479. The reversal of 663304011473 is 374110403366.

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

It is an interprime number because it is at equal distance from previous prime (663304011467) and next prime (663304011479).

It can be written as a sum of positive squares in 2 ways, for example, as 41716837009 + 621587174464 = 204247^2 + 788408^2 .

It is a cyclic number.

It is not a de Polignac number, because 663304011473 - 2³⁸ = 388426104529 is a prime.

It is a super-4 number, since 4×663304011473⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663304011479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433318 + ... + 1838751.

It is an arithmetic number, because the mean of its divisors is an integer number (165826871565).

Almost surely, 2^663304011473 is an apocalyptic number.

It is an amenable number.

663304011473 is a deficient number, since it is larger than the sum of its proper divisors (3474787).

663304011473 is a wasteful number, since it uses less digits than its factorization.

663304011473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474786.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 663304011473 in words is "six hundred sixty-three billion, three hundred four million, eleven thousand, four hundred seventy-three".