450136000646663 has 4 divisors (see below), whose sum is σ = 450332309415048. Its totient is φ = 449939691878280.

The previous prime is 450136000646567. The next prime is 450136000646713. The reversal of 450136000646663 is 366646000631054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450136000646663 - 2³² = 450131705679367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450136000666663) 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, 98154380753 + ... + 98154385338.

It is an arithmetic number, because the mean of its divisors is an integer number (112583077353762).

Almost surely, 2^{450136000646663} is an apocalyptic number.

450136000646663 is a deficient number, since it is larger than the sum of its proper divisors (196308768385).

450136000646663 is a wasteful number, since it uses less digits than its factorization.

450136000646663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196308768384.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 450136000646663 in words is "four hundred fifty trillion, one hundred thirty-six billion, six hundred forty-six thousand, six hundred sixty-three".