109513219 has 2 divisors, whose sum is σ = 109513220. Its totient is φ = 109513218.

The previous prime is 109513177. The next prime is 109513223. The reversal of 109513219 is 912315901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109513219 - 2²⁵ = 75958787 is a prime.

It is a super-2 number, since 2×109513219² = 23986290271483922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109513319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54756609 + 54756610.

It is an arithmetic number, because the mean of its divisors is an integer number (54756610).

Almost surely, 2^109513219 is an apocalyptic number.

109513219 is a deficient number, since it is larger than the sum of its proper divisors (1).

109513219 is an equidigital number, since it uses as much as digits as its factorization.

109513219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 109513219 is about 10464.8563774187. The cubic root of 109513219 is about 478.4341611303.

The spelling of 109513219 in words is "one hundred nine million, five hundred thirteen thousand, two hundred nineteen".