109007606569 has 9 divisors (see below), whose sum is σ = 115053430167. Its totient is φ = 103264421184.

The previous prime is 109007606563. The next prime is 109007606579. The reversal of 109007606569 is 965606700901.

The square root of 109007606569 is 330163.

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

It can be written as a sum of positive squares in only one way, i.e., 6535914025 + 102471692544 = 80845^2 + 320112^2 .

It is not a de Polignac number, because 109007606569 - 2¹¹ = 109007604521 is a prime.

It is a super-2 number, since 2×109007606569² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109007606563) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6264409 + ... + 6281785.

It is an arithmetic number, because the mean of its divisors is an integer number (12783714463).

Almost surely, 2^109007606569 is an apocalyptic number.

109007606569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109007606569 is the 330163-rd square number.

109007606569 is the 165082-nd centered octagonal number.

It is an amenable number.

109007606569 is a deficient number, since it is larger than the sum of its proper divisors (6045823598).

109007606569 is an frugal number, since it uses more digits than its factorization.

109007606569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34792 (or 17396 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

Multiplying 109007606569 by its sum of digits (49), we get a square (5341372721881 = 2311141²).

The spelling of 109007606569 in words is "one hundred nine billion, seven million, six hundred six thousand, five hundred sixty-nine".