43493969608 has 16 divisors (see below), whose sum is σ = 83089895580. Its totient is φ = 21336664128.

The previous prime is 43493969599. The next prime is 43493969621. The reversal of 43493969608 is 80696939434.

It can be written as a sum of positive squares in 2 ways, for example, as 43115200164 + 378769444 = 207642^2 + 19462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51289635 + ... + 51290482.

Almost surely, 2^43493969608 is an apocalyptic number.

It is an amenable number.

43493969608 is a deficient number, since it is larger than the sum of its proper divisors (39595925972).

43493969608 is a wasteful number, since it uses less digits than its factorization.

43493969608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102580176 (or 102580172 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 61.

It can be divided in two parts, 43493 and 969608, that added together give a palindrome (1013101).

The spelling of 43493969608 in words is "forty-three billion, four hundred ninety-three million, nine hundred sixty-nine thousand, six hundred eight".