260290891089 has 12 divisors (see below), whose sum is σ = 376115690496. Its totient is φ = 173462664312.

The previous prime is 260290891073. The next prime is 260290891099. The reversal of 260290891089 is 980198092062.

260290891089 is a `hidden beast` number, since 260 + 290 + 8 + 9 + 10 + 89 = 666.

It is not a de Polignac number, because 260290891089 - 2⁴ = 260290891073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260290891099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5357509 + ... + 5405874.

It is an arithmetic number, because the mean of its divisors is an integer number (31342974208).

Almost surely, 2^260290891089 is an apocalyptic number.

It is an amenable number.

260290891089 is a deficient number, since it is larger than the sum of its proper divisors (115824799407).

260290891089 is a wasteful number, since it uses less digits than its factorization.

260290891089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766076 (or 10766073 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 260290891089 in words is "two hundred sixty billion, two hundred ninety million, eight hundred ninety-one thousand, eighty-nine".