109437316838 has 4 divisors (see below), whose sum is σ = 164155975260. Its totient is φ = 54718658418.

The previous prime is 109437316831. The next prime is 109437316841. The reversal of 109437316838 is 838613734901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 109437316838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109437316831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27359329208 + ... + 27359329211.

It is an arithmetic number, because the mean of its divisors is an integer number (41038993815).

Almost surely, 2^109437316838 is an apocalyptic number.

109437316838 is a deficient number, since it is larger than the sum of its proper divisors (54718658422).

109437316838 is an equidigital number, since it uses as much as digits as its factorization.

109437316838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54718658421.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 109437316838 in words is "one hundred nine billion, four hundred thirty-seven million, three hundred sixteen thousand, eight hundred thirty-eight".