454550464191 has 4 divisors (see below), whose sum is σ = 606067285592. Its totient is φ = 303033642792.

The previous prime is 454550464187. The next prime is 454550464201. The reversal of 454550464191 is 191464055454.

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

It is not a de Polignac number, because 454550464191 - 2² = 454550464187 is a prime.

It is a super-3 number, since 3×454550464191³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454550464191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454550464171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75758410696 + ... + 75758410701.

It is an arithmetic number, because the mean of its divisors is an integer number (151516821398).

Almost surely, 2^454550464191 is an apocalyptic number.

454550464191 is a deficient number, since it is larger than the sum of its proper divisors (151516821401).

454550464191 is a wasteful number, since it uses less digits than its factorization.

454550464191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151516821400.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 454550464191 in words is "four hundred fifty-four billion, five hundred fifty million, four hundred sixty-four thousand, one hundred ninety-one".