404545543513 has 4 divisors (see below), whose sum is σ = 404626087168. Its totient is φ = 404464999860.

The previous prime is 404545543481. The next prime is 404545543517. The reversal of 404545543513 is 315345545404.

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 404545543513 - 2⁵ = 404545543481 is a prime.

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 404545543513.

It is not an unprimeable number, because it can be changed into a prime (404545543517) 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, 40264293 + ... + 40274338.

It is an arithmetic number, because the mean of its divisors is an integer number (101156521792).

Almost surely, 2^404545543513 is an apocalyptic number.

It is an amenable number.

404545543513 is a deficient number, since it is larger than the sum of its proper divisors (80543655).

404545543513 is an equidigital number, since it uses as much as digits as its factorization.

404545543513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80543654.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 404545543513 in words is "four hundred four billion, five hundred forty-five million, five hundred forty-three thousand, five hundred thirteen".