450456536146321 has 4 divisors (see below), whose sum is σ = 450457161060352. Its totient is φ = 450455911232292.

The previous prime is 450456536146301. The next prime is 450456536146343. The reversal of 450456536146321 is 123641635654054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450456536146321 - 2³³ = 450447946211729 is a prime.

It is a super-2 number, since 2×450456536146321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450456536146301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311374521 + ... + 312817846.

It is an arithmetic number, because the mean of its divisors is an integer number (112614290265088).

Almost surely, 2^{450456536146321} is an apocalyptic number.

It is an amenable number.

450456536146321 is a deficient number, since it is larger than the sum of its proper divisors (624914031).

450456536146321 is an equidigital number, since it uses as much as digits as its factorization.

450456536146321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624914030.

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 450456536146321 in words is "four hundred fifty trillion, four hundred fifty-six billion, five hundred thirty-six million, one hundred forty-six thousand, three hundred twenty-one".