13609019 has 2 divisors, whose sum is σ = 13609020. Its totient is φ = 13609018.

The previous prime is 13608967. The next prime is 13609069. The reversal of 13609019 is 91090631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13609019 - 2¹² = 13604923 is a prime.

It is a super-2 number, since 2×13609019² = 370410796284722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13608982 and 13609000.

It is not a weakly prime, because it can be changed into another prime (13609069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804509 + 6804510.

It is an arithmetic number, because the mean of its divisors is an integer number (6804510).

Almost surely, 2^13609019 is an apocalyptic number.

13609019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13609019 is an equidigital number, since it uses as much as digits as its factorization.

13609019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 13609019 is about 3689.0403901286. The cubic root of 13609019 is about 238.7493915539.

The spelling of 13609019 in words is "thirteen million, six hundred nine thousand, nineteen".