48744471889 has 4 divisors (see below), whose sum is σ = 50316874240. Its totient is φ = 47172069540.

The previous prime is 48744471857. The next prime is 48744471907. The reversal of 48744471889 is 98817444784.

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 48744471889 - 2⁵ = 48744471857 is a prime.

It is a super-2 number, since 2×48744471889² (a number of 22 digits) contains 22 as substring.

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 48744471889.

It is not an unprimeable number, because it can be changed into a prime (48744477889) 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, 786201129 + ... + 786201190.

It is an arithmetic number, because the mean of its divisors is an integer number (12579218560).

Almost surely, 2^48744471889 is an apocalyptic number.

It is an amenable number.

48744471889 is a deficient number, since it is larger than the sum of its proper divisors (1572402351).

48744471889 is a wasteful number, since it uses less digits than its factorization.

48744471889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572402350.

The product of its digits is 57802752, while the sum is 64.

The spelling of 48744471889 in words is "forty-eight billion, seven hundred forty-four million, four hundred seventy-one thousand, eight hundred eighty-nine".