48649144321 has 4 divisors (see below), whose sum is σ = 48788540500. Its totient is φ = 48509748144.

The previous prime is 48649144249. The next prime is 48649144373. The reversal of 48649144321 is 12344194684.

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 11886450625 + 36762693696 = 109025^2 + 191736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48649144321 is a prime.

It is a super-3 number, since 3×48649144321³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48649144391) 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, 69697566 + ... + 69698263.

It is an arithmetic number, because the mean of its divisors is an integer number (12197135125).

Almost surely, 2^48649144321 is an apocalyptic number.

It is an amenable number.

48649144321 is a deficient number, since it is larger than the sum of its proper divisors (139396179).

48649144321 is a wasteful number, since it uses less digits than its factorization.

48649144321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139396178.

The product of its digits is 663552, while the sum is 46.

The spelling of 48649144321 in words is "forty-eight billion, six hundred forty-nine million, one hundred forty-four thousand, three hundred twenty-one".