109106677969 has 3 divisors (see below), whose sum is σ = 109107008283. Its totient is φ = 109106347656.

The previous prime is 109106677949. The next prime is 109106677991. The reversal of 109106677969 is 969776601901.

The square root of 109106677969 is 330313.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 51644835025 + 57461842944 = 227255^2 + 239712^2 .

It is not a de Polignac number, because 109106677969 - 2⁵ = 109106677937 is a prime.

It is a super-2 number, since 2×109106677969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109106677919) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 165157 + ... + 495469.

It is an arithmetic number, because the mean of its divisors is an integer number (36369002761).

Almost surely, 2^109106677969 is an apocalyptic number.

109106677969 is the 330313-rd square number.

109106677969 is the 165157-th centered octagonal number.

It is an amenable number.

109106677969 is a deficient number, since it is larger than the sum of its proper divisors (330314).

109106677969 is an frugal number, since it uses more digits than its factorization.

109106677969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660626 (or 330313 counting only the distinct ones).

The product of its (nonzero) digits is 7715736, while the sum is 61.

The spelling of 109106677969 in words is "one hundred nine billion, one hundred six million, six hundred seventy-seven thousand, nine hundred sixty-nine".