445003453513 has 4 divisors (see below), whose sum is σ = 445968754308. Its totient is φ = 444038152720.

The previous prime is 445003453511. The next prime is 445003453523. The reversal of 445003453513 is 315354300544.

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 292174843024 + 152828610489 = 540532^2 + 390933^2 .

It is a cyclic number.

It is not a de Polignac number, because 445003453513 - 2¹ = 445003453511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445003453511) 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, 482649706 + ... + 482650627.

It is an arithmetic number, because the mean of its divisors is an integer number (111492188577).

Almost surely, 2^445003453513 is an apocalyptic number.

It is an amenable number.

445003453513 is a deficient number, since it is larger than the sum of its proper divisors (965300795).

445003453513 is an equidigital number, since it uses as much as digits as its factorization.

445003453513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965300794.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 445003453513 in words is "four hundred forty-five billion, three million, four hundred fifty-three thousand, five hundred thirteen".