109667734772461 has 4 divisors (see below), whose sum is σ = 109670246616924. Its totient is φ = 109665222928000.

The previous prime is 109667734772447. The next prime is 109667734772501. The reversal of 109667734772461 is 164277437766901.

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 74490380669961 + 35177354102500 = 8630781^2 + 5931050^2 .

It is a cyclic number.

It is not a de Polignac number, because 109667734772461 - 2⁵ = 109667734772429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109667734772411) 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, 1255856740 + ... + 1255944061.

It is an arithmetic number, because the mean of its divisors is an integer number (27417561654231).

Almost surely, 2^{109667734772461} is an apocalyptic number.

It is an amenable number.

109667734772461 is a deficient number, since it is larger than the sum of its proper divisors (2511844463).

109667734772461 is an equidigital number, since it uses as much as digits as its factorization.

109667734772461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511844462.

The product of its (nonzero) digits is 448084224, while the sum is 70.

The spelling of 109667734772461 in words is "one hundred nine trillion, six hundred sixty-seven billion, seven hundred thirty-four million, seven hundred seventy-two thousand, four hundred sixty-one".