452441546043421 has 4 divisors (see below), whose sum is σ = 493572595683744. Its totient is φ = 411310496403100.

The previous prime is 452441546043391. The next prime is 452441546043427. The reversal of 452441546043421 is 124340645144254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 452441546043421 - 2²¹ = 452441543946269 is a prime.

It is a super-2 number, since 2×452441546043421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452441546043427) 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, 20565524820145 + ... + 20565524820166.

It is an arithmetic number, because the mean of its divisors is an integer number (123393148920936).

Almost surely, 2^{452441546043421} is an apocalyptic number.

It is an amenable number.

452441546043421 is a deficient number, since it is larger than the sum of its proper divisors (41131049640323).

452441546043421 is a wasteful number, since it uses less digits than its factorization.

452441546043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131049640322.

The product of its (nonzero) digits is 7372800, while the sum is 49.

The spelling of 452441546043421 in words is "four hundred fifty-two trillion, four hundred forty-one billion, five hundred forty-six million, forty-three thousand, four hundred twenty-one".