109541266673 has 4 divisors (see below), whose sum is σ = 110670558180. Its totient is φ = 108411975168.

The previous prime is 109541266643. The next prime is 109541266699. The reversal of 109541266673 is 376662145901.

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 72206138944 + 37335127729 = 268712^2 + 193223^2 .

It is a cyclic number.

It is not a de Polignac number, because 109541266673 - 2³⁰ = 108467524849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109541266643) 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, 564645608 + ... + 564645801.

It is an arithmetic number, because the mean of its divisors is an integer number (27667639545).

Almost surely, 2^109541266673 is an apocalyptic number.

It is an amenable number.

109541266673 is a deficient number, since it is larger than the sum of its proper divisors (1129291507).

109541266673 is an equidigital number, since it uses as much as digits as its factorization.

109541266673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129291506.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 109541266673 in words is "one hundred nine billion, five hundred forty-one million, two hundred sixty-six thousand, six hundred seventy-three".