450111125369 has 2 divisors, whose sum is σ = 450111125370. Its totient is φ = 450111125368.

The previous prime is 450111125311. The next prime is 450111125377. The reversal of 450111125369 is 963521111054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406508256400 + 43602868969 = 637580^2 + 208813^2 .

It is a cyclic number.

It is not a de Polignac number, because 450111125369 - 2²⁴ = 450094348153 is a prime.

It is a super-2 number, since 2×450111125369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450111125669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225055562684 + 225055562685.

It is an arithmetic number, because the mean of its divisors is an integer number (225055562685).

Almost surely, 2^450111125369 is an apocalyptic number.

It is an amenable number.

450111125369 is a deficient number, since it is larger than the sum of its proper divisors (1).

450111125369 is an equidigital number, since it uses as much as digits as its factorization.

450111125369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 450111125369 in words is "four hundred fifty billion, one hundred eleven million, one hundred twenty-five thousand, three hundred sixty-nine".