109288660933 has 4 divisors (see below), whose sum is σ = 109315844428. Its totient is φ = 109261477440.

The previous prime is 109288660931. The next prime is 109288660967. The reversal of 109288660933 is 339066882901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339066882901 = 23 ⋅14742038387.

It can be written as a sum of positive squares in 2 ways, for example, as 24780426724 + 84508234209 = 157418^2 + 290703^2 .

It is a cyclic number.

It is not a de Polignac number, because 109288660933 - 2¹ = 109288660931 is a prime.

It is a super-2 number, since 2×109288660933² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109288660931) 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, 13585716 + ... + 13593757.

It is an arithmetic number, because the mean of its divisors is an integer number (27328961107).

Almost surely, 2^109288660933 is an apocalyptic number.

It is an amenable number.

109288660933 is a deficient number, since it is larger than the sum of its proper divisors (27183495).

109288660933 is an equidigital number, since it uses as much as digits as its factorization.

109288660933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27183494.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 109288660933 in words is "one hundred nine billion, two hundred eighty-eight million, six hundred sixty thousand, nine hundred thirty-three".