5613721033 has 2 divisors, whose sum is σ = 5613721034. Its totient is φ = 5613721032.

The previous prime is 5613721007. The next prime is 5613721037. The reversal of 5613721033 is 3301273165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5438767504 + 174953529 = 73748^2 + 13227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5613721033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5613720986 and 5613721004.

It is not a weakly prime, because it can be changed into another prime (5613721037) 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 as a sum of consecutive naturals, namely, 2806860516 + 2806860517.

It is an arithmetic number, because the mean of its divisors is an integer number (2806860517).

Almost surely, 2^5613721033 is an apocalyptic number.

It is an amenable number.

5613721033 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613721033 is an equidigital number, since it uses as much as digits as its factorization.

5613721033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 5613721033 is about 74924.7691554669. The cubic root of 5613721033 is about 1777.2571729453.

Adding to 5613721033 its reverse (3301273165), we get a palindrome (8914994198).

The spelling of 5613721033 in words is "five billion, six hundred thirteen million, seven hundred twenty-one thousand, thirty-three".