44783438139 has 96 divisors (see below), whose sum is σ = 74990039040. Its totient is φ = 26378352000.

The previous prime is 44783438053. The next prime is 44783438149. The reversal of 44783438139 is 93183438744.

44783438139 is a `hidden beast` number, since 4 + 4 + 78 + 3 + 438 + 139 = 666.

44783438139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44783438139 - 2²¹ = 44781340987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44783438149) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49158094 + ... + 49159004.

It is an arithmetic number, because the mean of its divisors is an integer number (781146240).

Almost surely, 2^44783438139 is an apocalyptic number.

44783438139 is a deficient number, since it is larger than the sum of its proper divisors (30206600901).

44783438139 is a wasteful number, since it uses less digits than its factorization.

44783438139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1333 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 44783438139 in words is "forty-four billion, seven hundred eighty-three million, four hundred thirty-eight thousand, one hundred thirty-nine".