109419657938 has 4 divisors (see below), whose sum is σ = 164129486910. Its totient is φ = 54709828968.

The previous prime is 109419657929. The next prime is 109419658003. The reversal of 109419657938 is 839756914901.

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., 57848427289 + 51571230649 = 240517^2 + 227093^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27354914483 + ... + 27354914486.

Almost surely, 2^109419657938 is an apocalyptic number.

109419657938 is a deficient number, since it is larger than the sum of its proper divisors (54709828972).

109419657938 is an equidigital number, since it uses as much as digits as its factorization.

109419657938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54709828971.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 109419657938 in words is "one hundred nine billion, four hundred nineteen million, six hundred fifty-seven thousand, nine hundred thirty-eight".