609357949 has 8 divisors (see below), whose sum is σ = 657074880. Its totient is φ = 563205600.

The previous prime is 609357941. The next prime is 609357967. The reversal of 609357949 is 949753906.

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

It is not a de Polignac number, because 609357949 - 2³ = 609357941 is a prime.

It is a super-2 number, since 2×609357949² = 742634220018973202, 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 = 609357896 and 609357905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609357941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390337 + ... + 391894.

It is an arithmetic number, because the mean of its divisors is an integer number (82134360).

Almost surely, 2^609357949 is an apocalyptic number.

It is an amenable number.

609357949 is a deficient number, since it is larger than the sum of its proper divisors (47716931).

609357949 is a wasteful number, since it uses less digits than its factorization.

609357949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782291.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 609357949 is about 24685.1767058695. The cubic root of 609357949 is about 847.7949531863.

The spelling of 609357949 in words is "six hundred nine million, three hundred fifty-seven thousand, nine hundred forty-nine".