450522257819 has 8 divisors (see below), whose sum is σ = 470466627840. Its totient is φ = 430607591656.

The previous prime is 450522257749. The next prime is 450522257821. The reversal of 450522257819 is 918752225054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450522257819 - 2¹⁶ = 450522192283 is a prime.

It is a super-2 number, since 2×450522257819² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450522157819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394957 + ... + 7455630.

It is an arithmetic number, because the mean of its divisors is an integer number (58808328480).

Almost surely, 2^450522257819 is an apocalyptic number.

450522257819 is a deficient number, since it is larger than the sum of its proper divisors (19944370021).

450522257819 is a wasteful number, since it uses less digits than its factorization.

450522257819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14851929.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 450522257819 in words is "four hundred fifty billion, five hundred twenty-two million, two hundred fifty-seven thousand, eight hundred nineteen".