454218132021 has 8 divisors (see below), whose sum is σ = 606605741184. Its totient is φ = 302321305440.

The previous prime is 454218132007. The next prime is 454218132029. The reversal of 454218132021 is 120231812454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 454218132021 - 2⁵ = 454218131989 is a prime.

It is a super-2 number, since 2×454218132021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454218132029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122693485 + ... + 122697186.

It is an arithmetic number, because the mean of its divisors is an integer number (75825717648).

Almost surely, 2^454218132021 is an apocalyptic number.

It is an amenable number.

454218132021 is a deficient number, since it is larger than the sum of its proper divisors (152387609163).

454218132021 is a wasteful number, since it uses less digits than its factorization.

454218132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245391291.

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 454218132021 its reverse (120231812454), we get a palindrome (574449944475).

The spelling of 454218132021 in words is "four hundred fifty-four billion, two hundred eighteen million, one hundred thirty-two thousand, twenty-one".