246190009 has 4 divisors (see below), whose sum is σ = 265127716. Its totient is φ = 227252304.

The previous prime is 246189943. The next prime is 246190069. The reversal of 246190009 is 900091642.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19386409 + 226803600 = 4403^2 + 15060^2 .

It is a cyclic number.

It is not a de Polignac number, because 246190009 - 2²⁷ = 111972281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (246190069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9468834 + ... + 9468859.

It is an arithmetic number, because the mean of its divisors is an integer number (66281929).

Almost surely, 2^246190009 is an apocalyptic number.

It is an amenable number.

246190009 is a deficient number, since it is larger than the sum of its proper divisors (18937707).

246190009 is a wasteful number, since it uses less digits than its factorization.

246190009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937706.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 246190009 is about 15690.4432378439. The cubic root of 246190009 is about 626.7439370478.

The spelling of 246190009 in words is "two hundred forty-six million, one hundred ninety thousand, nine".