109997491969 has 8 divisors (see below), whose sum is σ = 110692897920. Its totient is φ = 109302771216.

The previous prime is 109997491931. The next prime is 109997492009. The reversal of 109997491969 is 969194799901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109997491969 - 2¹⁷ = 109997360897 is a prime.

It is a super-2 number, since 2×109997491969² (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 (109997411969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152712 + ... + 493270.

It is an arithmetic number, because the mean of its divisors is an integer number (13836612240).

Almost surely, 2^109997491969 is an apocalyptic number.

It is an amenable number.

109997491969 is a deficient number, since it is larger than the sum of its proper divisors (695405951).

109997491969 is a wasteful number, since it uses less digits than its factorization.

109997491969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342599.

The product of its (nonzero) digits is 89282088, while the sum is 73.

The spelling of 109997491969 in words is "one hundred nine billion, nine hundred ninety-seven million, four hundred ninety-one thousand, nine hundred sixty-nine".