450971910667 has 4 divisors (see below), whose sum is σ = 477499670136. Its totient is φ = 424444151200.

The previous prime is 450971910643. The next prime is 450971910709. The reversal of 450971910667 is 766019179054.

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 450971910667 - 2⁷ = 450971910539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450971910637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13263879709 + ... + 13263879742.

It is an arithmetic number, because the mean of its divisors is an integer number (119374917534).

Almost surely, 2^450971910667 is an apocalyptic number.

450971910667 is a deficient number, since it is larger than the sum of its proper divisors (26527759469).

450971910667 is a wasteful number, since it uses less digits than its factorization.

450971910667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26527759468.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 450971910667 in words is "four hundred fifty billion, nine hundred seventy-one million, nine hundred ten thousand, six hundred sixty-seven".