260686033402687 has 2 divisors, whose sum is σ = 260686033402688. Its totient is φ = 260686033402686.

The previous prime is 260686033402607. The next prime is 260686033402759. The reversal of 260686033402687 is 786204330686062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260686033402687 - 2¹⁵ = 260686033369919 is a prime.

It is a super-2 number, since 2×260686033402687² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260686033402607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130343016701343 + 130343016701344.

It is an arithmetic number, because the mean of its divisors is an integer number (130343016701344).

Almost surely, 2^{260686033402687} is an apocalyptic number.

260686033402687 is a deficient number, since it is larger than the sum of its proper divisors (1).

260686033402687 is an equidigital number, since it uses as much as digits as its factorization.

260686033402687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83607552, while the sum is 61.

The spelling of 260686033402687 in words is "two hundred sixty trillion, six hundred eighty-six billion, thirty-three million, four hundred two thousand, six hundred eighty-seven".