663054772093 has 4 divisors (see below), whose sum is σ = 757776882400. Its totient is φ = 568332661788.

The previous prime is 663054772087. The next prime is 663054772157. The reversal of 663054772093 is 390277450366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 663054772093 - 2¹³ = 663054763901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663054772093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663054772693) 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, 47361055143 + ... + 47361055156.

It is an arithmetic number, because the mean of its divisors is an integer number (189444220600).

Almost surely, 2^663054772093 is an apocalyptic number.

It is an amenable number.

663054772093 is a deficient number, since it is larger than the sum of its proper divisors (94722110307).

663054772093 is an equidigital number, since it uses as much as digits as its factorization.

663054772093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94722110306.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 663054772093 in words is "six hundred sixty-three billion, fifty-four million, seven hundred seventy-two thousand, ninety-three".