1609394313 has 8 divisors (see below), whose sum is σ = 2146076128. Its totient is φ = 1072821024.

The previous prime is 1609394299. The next prime is 1609394321. The reversal of 1609394313 is 3134939061.

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

It is not a de Polignac number, because 1609394313 - 2²⁰ = 1608345737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1609394363) 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, 18381 + ... + 59637.

It is an arithmetic number, because the mean of its divisors is an integer number (268259516).

Almost surely, 2^1609394313 is an apocalyptic number.

It is an amenable number.

1609394313 is a deficient number, since it is larger than the sum of its proper divisors (536681815).

1609394313 is a wasteful number, since it uses less digits than its factorization.

1609394313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54263.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 1609394313 is about 40117.2570473107. The cubic root of 1609394313 is about 1171.8917245642.

The spelling of 1609394313 in words is "one billion, six hundred nine million, three hundred ninety-four thousand, three hundred thirteen".