109662743438 has 16 divisors (see below), whose sum is σ = 174184193664. Its totient is φ = 51601862400.

The previous prime is 109662743429. The next prime is 109662743503. The reversal of 109662743438 is 834347266901.

It is a super-2 number, since 2×109662743438² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109662743438.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 324506 + ... + 569762.

It is an arithmetic number, because the mean of its divisors is an integer number (10886512104).

Almost surely, 2^109662743438 is an apocalyptic number.

109662743438 is a deficient number, since it is larger than the sum of its proper divisors (64521450226).

109662743438 is a wasteful number, since it uses less digits than its factorization.

109662743438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258427.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 109662743438 in words is "one hundred nine billion, six hundred sixty-two million, seven hundred forty-three thousand, four hundred thirty-eight".