458754212921 has 2 divisors, whose sum is σ = 458754212922. Its totient is φ = 458754212920.

The previous prime is 458754212911. The next prime is 458754212927. The reversal of 458754212921 is 129212457854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427375987600 + 31378225321 = 653740^2 + 177139^2 .

It is a cyclic number.

It is not a de Polignac number, because 458754212921 - 2⁶ = 458754212857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 458754212921.

It is not a weakly prime, because it can be changed into another prime (458754212927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229377106460 + 229377106461.

It is an arithmetic number, because the mean of its divisors is an integer number (229377106461).

Almost surely, 2^458754212921 is an apocalyptic number.

It is an amenable number.

458754212921 is a deficient number, since it is larger than the sum of its proper divisors (1).

458754212921 is an equidigital number, since it uses as much as digits as its factorization.

458754212921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The spelling of 458754212921 in words is "four hundred fifty-eight billion, seven hundred fifty-four million, two hundred twelve thousand, nine hundred twenty-one".