109147500019 has 4 divisors (see below), whose sum is σ = 110936803360. Its totient is φ = 107358196680.

The previous prime is 109147499977. The next prime is 109147500041. The reversal of 109147500019 is 910005741901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910005741901 = 479 ⋅1899803219.

It is a cyclic number.

It is not a de Polignac number, because 109147500019 - 2¹¹ = 109147497971 is a prime.

It is a super-2 number, since 2×109147500019² (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 (109147500619) 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, 894651579 + ... + 894651700.

It is an arithmetic number, because the mean of its divisors is an integer number (27734200840).

Almost surely, 2^109147500019 is an apocalyptic number.

109147500019 is a deficient number, since it is larger than the sum of its proper divisors (1789303341).

109147500019 is an equidigital number, since it uses as much as digits as its factorization.

109147500019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789303340.

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 109147500019 in words is "one hundred nine billion, one hundred forty-seven million, five hundred thousand, nineteen".