5338521645 has 32 divisors (see below), whose sum is σ = 9264689280. Its totient is φ = 2614364160.

The previous prime is 5338521631. The next prime is 5338521647. The reversal of 5338521645 is 5461258335.

It is not a de Polignac number, because 5338521645 - 2⁸ = 5338521389 is a prime.

It is a super-3 number, since 3×5338521645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5338521597 and 5338521606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5338521647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244855 + ... + 265764.

It is an arithmetic number, because the mean of its divisors is an integer number (289521540).

Almost surely, 2^5338521645 is an apocalyptic number.

It is an amenable number.

5338521645 is a deficient number, since it is larger than the sum of its proper divisors (3926167635).

5338521645 is a wasteful number, since it uses less digits than its factorization.

5338521645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510685.

The product of its digits is 432000, while the sum is 42.

The square root of 5338521645 is about 73065.1876409005. The cubic root of 5338521645 is about 1747.7272968213.

The spelling of 5338521645 in words is "five billion, three hundred thirty-eight million, five hundred twenty-one thousand, six hundred forty-five".