43104051605 has 24 divisors (see below), whose sum is σ = 54687749400. Its totient is φ = 32610143232.

The previous prime is 43104051593. The next prime is 43104051659. The reversal of 43104051605 is 50615040134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 323748049 + 42780303556 = 17993^2 + 206834^2 .

It is not a de Polignac number, because 43104051605 - 2¹⁰ = 43104050581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1006061 + ... + 1048029.

It is an arithmetic number, because the mean of its divisors is an integer number (2278656225).

Almost surely, 2^43104051605 is an apocalyptic number.

It is an amenable number.

43104051605 is a deficient number, since it is larger than the sum of its proper divisors (11583697795).

43104051605 is a wasteful number, since it uses less digits than its factorization.

43104051605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42581 (or 42562 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 43104051605 its reverse (50615040134), we get a palindrome (93719091739).

The spelling of 43104051605 in words is "forty-three billion, one hundred four million, fifty-one thousand, six hundred five".