450123543445065 has 24 divisors (see below), whose sum is σ = 837780962495040. Its totient is φ = 205770762717408.

The previous prime is 450123543445063. The next prime is 450123543445099. The reversal of 450123543445065 is 560544345321054.

It is not a de Polignac number, because 450123543445065 - 2¹ = 450123543445063 is a prime.

It is a super-2 number, since 2×450123543445065² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450123543444999 and 450123543445017.

It is not an unprimeable number, because it can be changed into a prime (450123543445063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306206491405 + ... + 306206492874.

It is an arithmetic number, because the mean of its divisors is an integer number (34907540103960).

Almost surely, 2^{450123543445065} is an apocalyptic number.

It is an amenable number.

450123543445065 is a deficient number, since it is larger than the sum of its proper divisors (387657419049975).

450123543445065 is a wasteful number, since it uses less digits than its factorization.

450123543445065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612412984301 (or 612412984294 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 51.

The spelling of 450123543445065 in words is "four hundred fifty trillion, one hundred twenty-three billion, five hundred forty-three million, four hundred forty-five thousand, sixty-five".