453216022545541 has 4 divisors (see below), whose sum is σ = 453216903691500. Its totient is φ = 453215141399584.

The previous prime is 453216022545521. The next prime is 453216022545619. The reversal of 453216022545541 is 145545220612354.

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

It can be written as a sum of positive squares in 2 ways, for example, as 217141709161441 + 236074313384100 = 14735729^2 + 15364710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453216022545541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453216022545521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439801006 + ... + 440830303.

It is an arithmetic number, because the mean of its divisors is an integer number (113304225922875).

Almost surely, 2^{453216022545541} is an apocalyptic number.

It is an amenable number.

453216022545541 is a deficient number, since it is larger than the sum of its proper divisors (881145959).

453216022545541 is an equidigital number, since it uses as much as digits as its factorization.

453216022545541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881145958.

The product of its (nonzero) digits is 5760000, while the sum is 49.

The spelling of 453216022545541 in words is "four hundred fifty-three trillion, two hundred sixteen billion, twenty-two million, five hundred forty-five thousand, five hundred forty-one".