109284919 has 2 divisors, whose sum is σ = 109284920. Its totient is φ = 109284918.

The previous prime is 109284913. The next prime is 109284943. The reversal of 109284919 is 919482901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109284919 - 2¹⁵ = 109252151 is a prime.

It is a super-2 number, since 2×109284919² = 23886387041673122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109284913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54642459 + 54642460.

It is an arithmetic number, because the mean of its divisors is an integer number (54642460).

Almost surely, 2^109284919 is an apocalyptic number.

109284919 is a deficient number, since it is larger than the sum of its proper divisors (1).

109284919 is an equidigital number, since it uses as much as digits as its factorization.

109284919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 109284919 is about 10453.9427490301. The cubic root of 109284919 is about 478.1014691539.

The spelling of 109284919 in words is "one hundred nine million, two hundred eighty-four thousand, nine hundred nineteen".