43674447634 has 4 divisors (see below), whose sum is σ = 65511671454. Its totient is φ = 21837223816.

The previous prime is 43674447617. The next prime is 43674447653.

43674447634 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., 22351147009 + 21323300625 = 149503^2 + 146025^2 .

It is a super-2 number, since 2×43674447634² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10918611907 + ... + 10918611910.

Almost surely, 2^43674447634 is an apocalyptic number.

43674447634 is a deficient number, since it is larger than the sum of its proper divisors (21837223820).

43674447634 is a wasteful number, since it uses less digits than its factorization.

43674447634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837223819.

The product of its digits is 16257024, while the sum is 52.

The spelling of 43674447634 in words is "forty-three billion, six hundred seventy-four million, four hundred forty-seven thousand, six hundred thirty-four".