260642235941 has 4 divisors (see below), whose sum is σ = 260909015052. Its totient is φ = 260375456832.

The previous prime is 260642235937. The next prime is 260642235947. The reversal of 260642235941 is 149532246062.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101856722500 + 158785513441 = 319150^2 + 398479^2 .

It is a cyclic number.

It is not a de Polignac number, because 260642235941 - 2² = 260642235937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260642235892 and 260642235901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260642235947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133388090 + ... + 133390043.

It is an arithmetic number, because the mean of its divisors is an integer number (65227253763).

Almost surely, 2^260642235941 is an apocalyptic number.

It is an amenable number.

260642235941 is a deficient number, since it is larger than the sum of its proper divisors (266779111).

260642235941 is an equidigital number, since it uses as much as digits as its factorization.

260642235941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266779110.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 260642235941 in words is "two hundred sixty billion, six hundred forty-two million, two hundred thirty-five thousand, nine hundred forty-one".