5613721007 has 2 divisors, whose sum is σ = 5613721008. Its totient is φ = 5613721006.

The previous prime is 5613720997. The next prime is 5613721033. The reversal of 5613721007 is 7001273165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5613721007 - 2⁸ = 5613720751 is a prime.

It is a congruent number.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806860503 + 2806860504.

It is an arithmetic number, because the mean of its divisors is an integer number (2806860504).

Almost surely, 2^5613721007 is an apocalyptic number.

5613721007 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613721007 is an equidigital number, since it uses as much as digits as its factorization.

5613721007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 5613721007 is about 74924.7689819595. The cubic root of 5613721007 is about 1777.2571702015.

The spelling of 5613721007 in words is "five billion, six hundred thirteen million, seven hundred twenty-one thousand, seven".