259789190740221 has 64 divisors (see below), whose sum is σ = 363350391259136. Its totient is φ = 164897737804800.

The previous prime is 259789190740217. The next prime is 259789190740349. The reversal of 259789190740221 is 122047091987952.

It is not a de Polignac number, because 259789190740221 - 2² = 259789190740217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259789190747221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31716415236 + ... + 31716423426.

It is an arithmetic number, because the mean of its divisors is an integer number (5677349863424).

Almost surely, 2^{259789190740221} is an apocalyptic number.

It is an amenable number.

259789190740221 is a deficient number, since it is larger than the sum of its proper divisors (103561200518915).

259789190740221 is a wasteful number, since it uses less digits than its factorization.

259789190740221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042.

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 259789190740221 in words is "two hundred fifty-nine trillion, seven hundred eighty-nine billion, one hundred ninety million, seven hundred forty thousand, two hundred twenty-one".