260709512785921 has 8 divisors (see below), whose sum is σ = 262311021836864. Its totient is φ = 259109774339760.

The previous prime is 260709512785903. The next prime is 260709512785961. The reversal of 260709512785921 is 129587215907062.

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

It is a cyclic number.

It is not a de Polignac number, because 260709512785921 - 2³³ = 260700922851329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260709512785961) 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, 442355805 + ... + 442944778.

It is an arithmetic number, because the mean of its divisors is an integer number (32788877729608).

Almost surely, 2^{260709512785921} is an apocalyptic number.

It is an amenable number.

260709512785921 is a deficient number, since it is larger than the sum of its proper divisors (1601509050943).

260709512785921 is a wasteful number, since it uses less digits than its factorization.

260709512785921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885302391.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 260709512785921 in words is "two hundred sixty trillion, seven hundred nine billion, five hundred twelve million, seven hundred eighty-five thousand, nine hundred twenty-one".