609735349 has 4 divisors (see below), whose sum is σ = 611052736. Its totient is φ = 608417964.

The previous prime is 609735319. The next prime is 609735389. The reversal of 609735349 is 943537906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 609735349 - 2⁵ = 609735317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609735299 and 609735308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609735319) 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, 657999 + ... + 658924.

It is an arithmetic number, because the mean of its divisors is an integer number (152763184).

Almost surely, 2^609735349 is an apocalyptic number.

It is an amenable number.

609735349 is a deficient number, since it is larger than the sum of its proper divisors (1317387).

609735349 is a wasteful number, since it uses less digits than its factorization.

609735349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317386.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 609735349 is about 24692.8197863266. The cubic root of 609735349 is about 847.9699416225.

The spelling of 609735349 in words is "six hundred nine million, seven hundred thirty-five thousand, three hundred forty-nine".