5423221513 has 4 divisors (see below), whose sum is σ = 5435746708. Its totient is φ = 5410696320.

The previous prime is 5423221501. The next prime is 5423221537. The reversal of 5423221513 is 3151223245.

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 393149584 + 5030071929 = 19828^2 + 70923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5423221513 is a prime.

It is a super-2 number, since 2×5423221513² = 58822663158132018338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5423261513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6261948 + ... + 6262813.

It is an arithmetic number, because the mean of its divisors is an integer number (1358936677).

Almost surely, 2^5423221513 is an apocalyptic number.

It is an amenable number.

5423221513 is a deficient number, since it is larger than the sum of its proper divisors (12525195).

5423221513 is a wasteful number, since it uses less digits than its factorization.

5423221513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525194.

The product of its digits is 7200, while the sum is 28.

The square root of 5423221513 is about 73642.5251671886. The cubic root of 5423221513 is about 1756.9218658144.

Adding to 5423221513 its reverse (3151223245), we get a palindrome (8574444758).

The spelling of 5423221513 in words is "five billion, four hundred twenty-three million, two hundred twenty-one thousand, five hundred thirteen".