609116439 has 16 divisors (see below), whose sum is σ = 835235712. Its totient is φ = 394681248.

The previous prime is 609116437. The next prime is 609116449. The reversal of 609116439 is 934611906.

It is not a de Polignac number, because 609116439 - 2¹ = 609116437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 609116397 and 609116406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609116437) 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 15 ways as a sum of consecutive naturals, for example, 889 + ... + 34914.

It is an arithmetic number, because the mean of its divisors is an integer number (52202232).

Almost surely, 2^609116439 is an apocalyptic number.

609116439 is a deficient number, since it is larger than the sum of its proper divisors (226119273).

609116439 is a wasteful number, since it uses less digits than its factorization.

609116439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35966.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 609116439 is about 24680.2844189446. The cubic root of 609116439 is about 847.6829347274.

The spelling of 609116439 in words is "six hundred nine million, one hundred sixteen thousand, four hundred thirty-nine".