260862904221 has 4 divisors (see below), whose sum is σ = 347817205632. Its totient is φ = 173908602812.

The previous prime is 260862904201. The next prime is 260862904249. The reversal of 260862904221 is 122409268062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260862904221 - 2¹¹ = 260862902173 is a prime.

It is a super-2 number, since 2×260862904221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260862904201) 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, 43477150701 + ... + 43477150706.

It is an arithmetic number, because the mean of its divisors is an integer number (86954301408).

Almost surely, 2^260862904221 is an apocalyptic number.

It is an amenable number.

260862904221 is a deficient number, since it is larger than the sum of its proper divisors (86954301411).

260862904221 is an equidigital number, since it uses as much as digits as its factorization.

260862904221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86954301410.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 260862904221 in words is "two hundred sixty billion, eight hundred sixty-two million, nine hundred four thousand, two hundred twenty-one".