609952819 has 8 divisors (see below), whose sum is σ = 699362048. Its totient is φ = 521111880.

The previous prime is 609952817. The next prime is 609952823. The reversal of 609952819 is 918259906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 609952819 - 2¹ = 609952817 is a prime.

It is a super-2 number, since 2×609952819² = 744084882812093522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609952817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139767 + ... + 144064.

It is an arithmetic number, because the mean of its divisors is an integer number (87420256).

Almost surely, 2^609952819 is an apocalyptic number.

609952819 is a deficient number, since it is larger than the sum of its proper divisors (89409229).

609952819 is a wasteful number, since it uses less digits than its factorization.

609952819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284145.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 609952819 is about 24697.2229005611. Note that the first 3 decimals coincide. The cubic root of 609952819 is about 848.0707427892.

The spelling of 609952819 in words is "six hundred nine million, nine hundred fifty-two thousand, eight hundred nineteen".