109209793 has 16 divisors (see below), whose sum is σ = 136388736. Its totient is φ = 84954240.

The previous prime is 109209787. The next prime is 109209833. The reversal of 109209793 is 397902901.

It is not a de Polignac number, because 109209793 - 2¹³ = 109201601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109209493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78855 + ... + 80227.

It is an arithmetic number, because the mean of its divisors is an integer number (8524296).

Almost surely, 2^109209793 is an apocalyptic number.

It is an amenable number.

109209793 is a deficient number, since it is larger than the sum of its proper divisors (27178943).

109209793 is a wasteful number, since it uses less digits than its factorization.

109209793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 109209793 is about 10450.3489415426. The cubic root of 109209793 is about 477.9918898853.

It can be divided in two parts, 109 and 209793, that added together give a palindrome (209902).

The spelling of 109209793 in words is "one hundred nine million, two hundred nine thousand, seven hundred ninety-three".