260945101169 has 4 divisors (see below), whose sum is σ = 260946125940. Its totient is φ = 260944076400.

The previous prime is 260945101103. The next prime is 260945101177. The reversal of 260945101169 is 961101549062.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 961101549062 = 2 ⋅480550774531.

It can be written as a sum of positive squares in 2 ways, for example, as 63044681569 + 197900419600 = 251087^2 + 444860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260945101169 is a prime.

It is a super-2 number, since 2×260945101169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260945101189) 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, 196319 + ... + 748619.

It is an arithmetic number, because the mean of its divisors is an integer number (65236531485).

Almost surely, 2^260945101169 is an apocalyptic number.

It is an amenable number.

260945101169 is a deficient number, since it is larger than the sum of its proper divisors (1024771).

260945101169 is an equidigital number, since it uses as much as digits as its factorization.

260945101169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024770.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 260945101169 in words is "two hundred sixty billion, nine hundred forty-five million, one hundred one thousand, one hundred sixty-nine".