57663421203 has 4 divisors (see below), whose sum is σ = 76884561608. Its totient is φ = 38442280800.

The previous prime is 57663421199. The next prime is 57663421213. The reversal of 57663421203 is 30212436675.

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

It is not a de Polignac number, because 57663421203 - 2² = 57663421199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57663421213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9610570198 + ... + 9610570203.

It is an arithmetic number, because the mean of its divisors is an integer number (19221140402).

Almost surely, 2^57663421203 is an apocalyptic number.

57663421203 is a deficient number, since it is larger than the sum of its proper divisors (19221140405).

57663421203 is a wasteful number, since it uses less digits than its factorization.

57663421203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221140404.

The product of its (nonzero) digits is 181440, while the sum is 39.

Adding to 57663421203 its reverse (30212436675), we get a palindrome (87875857878).

The spelling of 57663421203 in words is "fifty-seven billion, six hundred sixty-three million, four hundred twenty-one thousand, two hundred three".