270000019 has 4 divisors (see below), whose sum is σ = 270801544. Its totient is φ = 269198496.

The previous prime is 269999993. The next prime is 270000023. The reversal of 270000019 is 910000072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 270000019 - 2¹⁷ = 269868947 is a prime.

It is a super-2 number, since 2×270000019² = 145800020520000722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 269999960 and 270000005.

It is not an unprimeable number, because it can be changed into a prime (270000119) 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, 400257 + ... + 400930.

It is an arithmetic number, because the mean of its divisors is an integer number (67700386).

Almost surely, 2^270000019 is an apocalyptic number.

270000019 is a deficient number, since it is larger than the sum of its proper divisors (801525).

270000019 is an equidigital number, since it uses as much as digits as its factorization.

270000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801524.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 270000019 is about 16431.6773033066. The cubic root of 270000019 is about 646.3304221704.

The spelling of 270000019 in words is "two hundred seventy million, nineteen", and thus it is an aban number.