109187073073 has 4 divisors (see below), whose sum is σ = 117586078708. Its totient is φ = 100788067440.

The previous prime is 109187073059. The next prime is 109187073077. The reversal of 109187073073 is 370370781901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72895680064 + 36291393009 = 269992^2 + 190503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109187073073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109187073077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4199502798 + ... + 4199502823.

It is an arithmetic number, because the mean of its divisors is an integer number (29396519677).

Almost surely, 2^109187073073 is an apocalyptic number.

109187073073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109187073073 is a deficient number, since it is larger than the sum of its proper divisors (8399005635).

109187073073 is an equidigital number, since it uses as much as digits as its factorization.

109187073073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399005634.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 109187073073 in words is "one hundred nine billion, one hundred eighty-seven million, seventy-three thousand, seventy-three".