109870372089 has 27 divisors (see below), whose sum is σ = 159662600877. Its totient is φ = 72806063616.

The previous prime is 109870372067. The next prime is 109870372121. The reversal of 109870372089 is 980273078901.

The square root of 109870372089 is 331467.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 56509372089 + 53361000000 = 237717^2 + 231000^2 .

It is not a de Polignac number, because 109870372089 - 2⁵ = 109870372057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109870372039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 311247337 + ... + 311247689.

Almost surely, 2^109870372089 is an apocalyptic number.

109870372089 is the 331467-th square number.

109870372089 is the 165734-th centered octagonal number.

It is an amenable number.

109870372089 is a deficient number, since it is larger than the sum of its proper divisors (49792228788).

109870372089 is an frugal number, since it uses more digits than its factorization.

109870372089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 109870372089 in words is "one hundred nine billion, eight hundred seventy million, three hundred seventy-two thousand, eighty-nine".