791344609 has 16 divisors (see below), whose sum is σ = 884784384. Its totient is φ = 701542800.

The previous prime is 791344597. The next prime is 791344621. The reversal of 791344609 is 906443197.

It is an interprime number because it is at equal distance from previous prime (791344597) and next prime (791344621).

It is a cyclic number.

It is not a de Polignac number, because 791344609 - 2¹⁷ = 791213537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (791384609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458422 + ... + 460144.

It is an arithmetic number, because the mean of its divisors is an integer number (55299024).

Almost surely, 2^791344609 is an apocalyptic number.

It is an amenable number.

791344609 is a deficient number, since it is larger than the sum of its proper divisors (93439775).

791344609 is a wasteful number, since it uses less digits than its factorization.

791344609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 791344609 is about 28130.8479964611. The cubic root of 791344609 is about 924.9577225381.

The spelling of 791344609 in words is "seven hundred ninety-one million, three hundred forty-four thousand, six hundred nine".