43949133485 has 8 divisors (see below), whose sum is σ = 54025276536. Its totient is φ = 34301762560.

The previous prime is 43949133451. The next prime is 43949133511. The reversal of 43949133485 is 58433194934.

It can be written as a sum of positive squares in 4 ways, for example, as 1042441 + 43948091044 = 1021^2 + 209638^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43949133485 - 2⁶ = 43949133421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107192804 + ... + 107193213.

It is an arithmetic number, because the mean of its divisors is an integer number (6753159567).

Almost surely, 2^43949133485 is an apocalyptic number.

It is an amenable number.

43949133485 is a deficient number, since it is larger than the sum of its proper divisors (10076143051).

43949133485 is a wasteful number, since it uses less digits than its factorization.

43949133485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214386063.

The product of its digits is 5598720, while the sum is 53.

The spelling of 43949133485 in words is "forty-three billion, nine hundred forty-nine million, one hundred thirty-three thousand, four hundred eighty-five".