5245244445321 has 12 divisors (see below), whose sum is σ = 7579026450372. Its totient is φ = 3495647052576.

The previous prime is 5245244445313. The next prime is 5245244445341. The reversal of 5245244445321 is 1235444425425.

5245244445321 is a `hidden beast` number, since 5 + 2 + 45 + 244 + 4 + 45 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 736225777296 + 4509018668025 = 858036^2 + 2123445^2 .

It is not a de Polignac number, because 5245244445321 - 2³ = 5245244445313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5245244445341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98520046 + ... + 98573271.

It is an arithmetic number, because the mean of its divisors is an integer number (631585537531).

Almost surely, 2^{5245244445321} is an apocalyptic number.

It is an amenable number.

5245244445321 is a deficient number, since it is larger than the sum of its proper divisors (2333782005051).

5245244445321 is a wasteful number, since it uses less digits than its factorization.

5245244445321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197096280 (or 197096277 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

The spelling of 5245244445321 in words is "five trillion, two hundred forty-five billion, two hundred forty-four million, four hundred forty-five thousand, three hundred twenty-one".