450681361285 has 16 divisors (see below), whose sum is σ = 568639336320. Its totient is φ = 342236614720.

The previous prime is 450681361279. The next prime is 450681361307. The reversal of 450681361285 is 582163186054.

It is not a de Polignac number, because 450681361285 - 2¹⁷ = 450681230213 is a prime.

It is a super-2 number, since 2×450681361285² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14942830 + ... + 14972959.

It is an arithmetic number, because the mean of its divisors is an integer number (35539958520).

Almost surely, 2^450681361285 is an apocalyptic number.

It is an amenable number.

450681361285 is a deficient number, since it is larger than the sum of its proper divisors (117957975035).

450681361285 is a wasteful number, since it uses less digits than its factorization.

450681361285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29915948.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 450681361285 in words is "four hundred fifty billion, six hundred eighty-one million, three hundred sixty-one thousand, two hundred eighty-five".