109399695838 has 4 divisors (see below), whose sum is σ = 164099543760. Its totient is φ = 54699847918.

The previous prime is 109399695803. The next prime is 109399695913. The reversal of 109399695838 is 838596993901.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27349923958 + ... + 27349923961.

It is an arithmetic number, because the mean of its divisors is an integer number (41024885940).

Almost surely, 2^109399695838 is an apocalyptic number.

109399695838 is a deficient number, since it is larger than the sum of its proper divisors (54699847922).

109399695838 is an equidigital number, since it uses as much as digits as its factorization.

109399695838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54699847921.

The product of its (nonzero) digits is 113374080, while the sum is 70.

The spelling of 109399695838 in words is "one hundred nine billion, three hundred ninety-nine million, six hundred ninety-five thousand, eight hundred thirty-eight".