48665639243 has 4 divisors (see below), whose sum is σ = 52409149968. Its totient is φ = 44922128520.

The previous prime is 48665639221. The next prime is 48665639287. The reversal of 48665639243 is 34293656684.

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 48665639243 - 2⁶ = 48665639179 is a prime.

It is a super-2 number, since 2×48665639243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48665639213) 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, 1871755343 + ... + 1871755368.

It is an arithmetic number, because the mean of its divisors is an integer number (13102287492).

Almost surely, 2^48665639243 is an apocalyptic number.

48665639243 is a deficient number, since it is larger than the sum of its proper divisors (3743510725).

48665639243 is a wasteful number, since it uses less digits than its factorization.

48665639243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743510724.

The product of its digits is 22394880, while the sum is 56.

The spelling of 48665639243 in words is "forty-eight billion, six hundred sixty-five million, six hundred thirty-nine thousand, two hundred forty-three".