109664284969 has 4 divisors (see below), whose sum is σ = 109665982660. Its totient is φ = 109662587280.

The previous prime is 109664284963. The next prime is 109664285033. The reversal of 109664284969 is 969482466901.

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 53358690025 + 56305594944 = 230995^2 + 237288^2 .

It is a cyclic number.

It is not a de Polignac number, because 109664284969 - 2¹¹ = 109664282921 is a prime.

It is a super-2 number, since 2×109664284969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109664284969.

It is not an unprimeable number, because it can be changed into a prime (109664284963) 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, 747954 + ... + 882475.

It is an arithmetic number, because the mean of its divisors is an integer number (27416495665).

Almost surely, 2^109664284969 is an apocalyptic number.

It is an amenable number.

109664284969 is a deficient number, since it is larger than the sum of its proper divisors (1697691).

109664284969 is an equidigital number, since it uses as much as digits as its factorization.

109664284969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697690.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 109664284969 in words is "one hundred nine billion, six hundred sixty-four million, two hundred eighty-four thousand, nine hundred sixty-nine".