43404233413 has 4 divisors (see below), whose sum is σ = 43405684588. Its totient is φ = 43402782240.

The previous prime is 43404233381. The next prime is 43404233437. The reversal of 43404233413 is 31433240434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31433240434 = 2 ⋅15716620217.

It can be written as a sum of positive squares in 2 ways, for example, as 4112272129 + 39291961284 = 64127^2 + 198222^2 .

It is a cyclic number.

It is not a de Polignac number, because 43404233413 - 2⁵ = 43404233381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43404233443) 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, 679758 + ... + 740863.

It is an arithmetic number, because the mean of its divisors is an integer number (10851421147).

Almost surely, 2^43404233413 is an apocalyptic number.

It is an amenable number.

43404233413 is a deficient number, since it is larger than the sum of its proper divisors (1451175).

43404233413 is a wasteful number, since it uses less digits than its factorization.

43404233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451174.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 43404233413 its reverse (31433240434), we get a palindrome (74837473847).

The spelling of 43404233413 in words is "forty-three billion, four hundred four million, two hundred thirty-three thousand, four hundred thirteen".