105438395938 has 8 divisors (see below), whose sum is σ = 158161252032. Its totient is φ = 52717978596.

The previous prime is 105438395927. The next prime is 105438395939. The reversal of 105438395938 is 839593834501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105438395938² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105438395939) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 497470 + ... + 677017.

It is an arithmetic number, because the mean of its divisors is an integer number (19770156504).

Almost surely, 2^105438395938 is an apocalyptic number.

105438395938 is a deficient number, since it is larger than the sum of its proper divisors (52722856094).

105438395938 is a wasteful number, since it uses less digits than its factorization.

105438395938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219376.

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 105438395938 in words is "one hundred five billion, four hundred thirty-eight million, three hundred ninety-five thousand, nine hundred thirty-eight".