260666430047 has 4 divisors (see below), whose sum is σ = 260667724536. Its totient is φ = 260665135560.

The previous prime is 260666430007. The next prime is 260666430061. The reversal of 260666430047 is 740034666062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260666430047 - 2¹² = 260666425951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260666430007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273104 + ... + 771957.

It is an arithmetic number, because the mean of its divisors is an integer number (65166931134).

Almost surely, 2^260666430047 is an apocalyptic number.

260666430047 is a deficient number, since it is larger than the sum of its proper divisors (1294489).

260666430047 is a wasteful number, since it uses less digits than its factorization.

260666430047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294488.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 260666430047 in words is "two hundred sixty billion, six hundred sixty-six million, four hundred thirty thousand, forty-seven".