43405650434 has 4 divisors (see below), whose sum is σ = 65108475654. Its totient is φ = 21702825216.

The previous prime is 43405650397. The next prime is 43405650437.

43405650434 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41757696409 + 1647954025 = 204347^2 + 40595^2 .

It is not an unprimeable number, because it can be changed into a prime (43405650437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10851412607 + ... + 10851412610.

Almost surely, 2^43405650434 is an apocalyptic number.

43405650434 is a deficient number, since it is larger than the sum of its proper divisors (21702825220).

43405650434 is a wasteful number, since it uses less digits than its factorization.

43405650434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702825219.

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 43405650434 in words is "forty-three billion, four hundred five million, six hundred fifty thousand, four hundred thirty-four".