109623981736 has 16 divisors (see below), whose sum is σ = 206427136500. Its totient is φ = 54576745344.

The previous prime is 109623981703. The next prime is 109623981737. The reversal of 109623981736 is 637189326901.

It can be written as a sum of positive squares in 2 ways, for example, as 108392392900 + 1231588836 = 329230^2 + 35094^2 .

It is not an unprimeable number, because it can be changed into a prime (109623981737) 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, 29403711 + ... + 29407438.

Almost surely, 2^109623981736 is an apocalyptic number.

It is an amenable number.

109623981736 is a deficient number, since it is larger than the sum of its proper divisors (96803154764).

109623981736 is a wasteful number, since it uses less digits than its factorization.

109623981736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58811388 (or 58811384 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 109623981736 in words is "one hundred nine billion, six hundred twenty-three million, nine hundred eighty-one thousand, seven hundred thirty-six".