225867450893489 has 2 divisors, whose sum is σ = 225867450893490. Its totient is φ = 225867450893488.

The previous prime is 225867450893467. The next prime is 225867450893501. The reversal of 225867450893489 is 984398054768522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207019349619889 + 18848101273600 = 14388167^2 + 4341440^2 .

It is a cyclic number.

It is not a de Polignac number, because 225867450893489 - 2²⁰ = 225867449844913 is a prime.

It is a super-2 number, since 2×225867450893489² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225867450893389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112933725446744 + 112933725446745.

It is an arithmetic number, because the mean of its divisors is an integer number (112933725446745).

Almost surely, 2^{225867450893489} is an apocalyptic number.

It is an amenable number.

225867450893489 is a deficient number, since it is larger than the sum of its proper divisors (1).

225867450893489 is an equidigital number, since it uses as much as digits as its factorization.

225867450893489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8360755200, while the sum is 80.

The spelling of 225867450893489 in words is "two hundred twenty-five trillion, eight hundred sixty-seven billion, four hundred fifty million, eight hundred ninety-three thousand, four hundred eighty-nine".