260683397809 has 8 divisors (see below), whose sum is σ = 261151005920. Its totient is φ = 260216188416.

The previous prime is 260683397803. The next prime is 260683397833. The reversal of 260683397809 is 908793386062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260683397809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260683397803) 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, 1224817 + ... + 1421809.

It is an arithmetic number, because the mean of its divisors is an integer number (32643875740).

Almost surely, 2^260683397809 is an apocalyptic number.

It is an amenable number.

260683397809 is a deficient number, since it is larger than the sum of its proper divisors (467608111).

260683397809 is a wasteful number, since it uses less digits than its factorization.

260683397809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199359.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 260683397809 in words is "two hundred sixty billion, six hundred eighty-three million, three hundred ninety-seven thousand, eight hundred nine".