48644228519 has 4 divisors (see below), whose sum is σ = 51505653744. Its totient is φ = 45782803296.

The previous prime is 48644228497. The next prime is 48644228533. The reversal of 48644228519 is 91582244684.

48644228519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48644228519 - 2⁸ = 48644228263 is a prime.

It is a super-2 number, since 2×48644228519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48644228599) 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, 1430712587 + ... + 1430712620.

It is an arithmetic number, because the mean of its divisors is an integer number (12876413436).

Almost surely, 2^48644228519 is an apocalyptic number.

48644228519 is a deficient number, since it is larger than the sum of its proper divisors (2861425225).

48644228519 is a wasteful number, since it uses less digits than its factorization.

48644228519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861425224.

The product of its digits is 4423680, while the sum is 53.

The spelling of 48644228519 in words is "forty-eight billion, six hundred forty-four million, two hundred twenty-eight thousand, five hundred nineteen".