109458771850 has 12 divisors (see below), whose sum is σ = 203593315734. Its totient is φ = 43783508720.

The previous prime is 109458771841. The next prime is 109458771883. The reversal of 109458771850 is 58177854901.

It can be written as a sum of positive squares in 3 ways, for example, as 50876862481 + 58581909369 = 225559^2 + 242037^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109458771791 and 109458771800.

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 5 ways as a sum of consecutive naturals, for example, 1094587669 + ... + 1094587768.

Almost surely, 2^109458771850 is an apocalyptic number.

109458771850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109458771850 is a deficient number, since it is larger than the sum of its proper divisors (94134543884).

109458771850 is a wasteful number, since it uses less digits than its factorization.

109458771850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189175449 (or 2189175444 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 55.

The spelling of 109458771850 in words is "one hundred nine billion, four hundred fifty-eight million, seven hundred seventy-one thousand, eight hundred fifty".