450445461523 has 2 divisors, whose sum is σ = 450445461524. Its totient is φ = 450445461522.

The previous prime is 450445461493. The next prime is 450445461527. The reversal of 450445461523 is 325164544054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450445461523 - 2⁵ = 450445461491 is a prime.

It is a super-2 number, since 2×450445461523² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450445461523.

It is not a weakly prime, because it can be changed into another prime (450445461527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225222730761 + 225222730762.

It is an arithmetic number, because the mean of its divisors is an integer number (225222730762).

Almost surely, 2^450445461523 is an apocalyptic number.

450445461523 is a deficient number, since it is larger than the sum of its proper divisors (1).

450445461523 is an equidigital number, since it uses as much as digits as its factorization.

450445461523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 450445461523 in words is "four hundred fifty billion, four hundred forty-five million, four hundred sixty-one thousand, five hundred twenty-three".