454421546547 has 4 divisors (see below), whose sum is σ = 605895395400. Its totient is φ = 302947697696.

The previous prime is 454421546543. The next prime is 454421546567. The reversal of 454421546547 is 745645124454.

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 454421546547 - 2² = 454421546543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454421546547.

It is not an unprimeable number, because it can be changed into a prime (454421546543) 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 3 ways as a sum of consecutive naturals, for example, 75736924422 + ... + 75736924427.

It is an arithmetic number, because the mean of its divisors is an integer number (151473848850).

Almost surely, 2^454421546547 is an apocalyptic number.

454421546547 is a deficient number, since it is larger than the sum of its proper divisors (151473848853).

454421546547 is a wasteful number, since it uses less digits than its factorization.

454421546547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151473848852.

The product of its digits is 10752000, while the sum is 51.

The spelling of 454421546547 in words is "four hundred fifty-four billion, four hundred twenty-one million, five hundred forty-six thousand, five hundred forty-seven".