439405535149 has 12 divisors (see below), whose sum is σ = 511178254464. Its totient is φ = 376608970584.

The previous prime is 439405535143. The next prime is 439405535159. The reversal of 439405535149 is 941535504934.

It is not a de Polignac number, because 439405535149 - 2⁵ = 439405535117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439405535096 and 439405535105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439405535143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497572 + ... + 1061314.

It is an arithmetic number, because the mean of its divisors is an integer number (42598187872).

Almost surely, 2^439405535149 is an apocalyptic number.

439405535149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

439405535149 is a deficient number, since it is larger than the sum of its proper divisors (71772719315).

439405535149 is a wasteful number, since it uses less digits than its factorization.

439405535149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579664 (or 579657 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 439405535149 in words is "four hundred thirty-nine billion, four hundred five million, five hundred thirty-five thousand, one hundred forty-nine".