109471612389 has 4 divisors (see below), whose sum is σ = 145962149856. Its totient is φ = 72981074924.

The previous prime is 109471612361. The next prime is 109471612477. The reversal of 109471612389 is 983216174901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109471612389 - 2²⁴ = 109454835173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109471612339) 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, 18245268729 + ... + 18245268734.

It is an arithmetic number, because the mean of its divisors is an integer number (36490537464).

Almost surely, 2^109471612389 is an apocalyptic number.

It is an amenable number.

109471612389 is a deficient number, since it is larger than the sum of its proper divisors (36490537467).

109471612389 is an equidigital number, since it uses as much as digits as its factorization.

109471612389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36490537466.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 109471612389 in words is "one hundred nine billion, four hundred seventy-one million, six hundred twelve thousand, three hundred eighty-nine".