4609019 has 4 divisors (see below), whose sum is σ = 4621560. Its totient is φ = 4596480.

The previous prime is 4609013. The next prime is 4609027. The reversal of 4609019 is 9109064.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4609019 is a prime.

It is a super-2 number, since 2×4609019² = 42486112284722, 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 = 4608982 and 4609000.

It is not an unprimeable number, because it can be changed into a prime (4609013) 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, 5702 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (1155390).

Almost surely, 2^4609019 is an apocalyptic number.

4609019 is a deficient number, since it is larger than the sum of its proper divisors (12541).

4609019 is a wasteful number, since it uses less digits than its factorization.

4609019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 4609019 is about 2146.8625945784. The cubic root of 4609019 is about 166.4189711751.

The spelling of 4609019 in words is "four million, six hundred nine thousand, nineteen".