4452215215513 has 8 divisors (see below), whose sum is σ = 4797056419400. Its totient is φ = 4107711598848.

The previous prime is 4452215215477. The next prime is 4452215215529. The reversal of 4452215215513 is 3155125122544.

It can be written as a sum of positive squares in 4 ways, for example, as 2284218117769 + 2167997097744 = 1511363^2 + 1472412^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-4452215215513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4452215215583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84369408 + ... + 84422161.

It is an arithmetic number, because the mean of its divisors is an integer number (599632052425).

Almost surely, 2^{4452215215513} is an apocalyptic number.

It is an amenable number.

4452215215513 is a deficient number, since it is larger than the sum of its proper divisors (344841203887).

4452215215513 is a wasteful number, since it uses less digits than its factorization.

4452215215513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168793611.

The product of its digits is 240000, while the sum is 40.

The spelling of 4452215215513 in words is "four trillion, four hundred fifty-two billion, two hundred fifteen million, two hundred fifteen thousand, five hundred thirteen".