10645425433221 has 16 divisors (see below), whose sum is σ = 14245522228224. Its totient is φ = 7071144628464.

The previous prime is 10645425433199. The next prime is 10645425433259. The reversal of 10645425433221 is 12233452454601.

It is not a de Polignac number, because 10645425433221 - 2¹³ = 10645425425029 is a prime.

It is a super-2 number, since 2×10645425433221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645425433271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7668580 + ... + 8949746.

It is an arithmetic number, because the mean of its divisors is an integer number (890345139264).

Almost surely, 2^{10645425433221} is an apocalyptic number.

It is an amenable number.

10645425433221 is a deficient number, since it is larger than the sum of its proper divisors (3600096795003).

10645425433221 is a wasteful number, since it uses less digits than its factorization.

10645425433221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291240.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 10645425433221 its reverse (12233452454601), we get a palindrome (22878877887822).

The spelling of 10645425433221 in words is "ten trillion, six hundred forty-five billion, four hundred twenty-five million, four hundred thirty-three thousand, two hundred twenty-one".