5621370653 has 2 divisors, whose sum is σ = 5621370654. Its totient is φ = 5621370652.

The previous prime is 5621370619. The next prime is 5621370691. The reversal of 5621370653 is 3560731265.

It is an a-pointer prime, because the next prime (5621370691) can be obtained adding 5621370653 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5571428164 + 49942489 = 74642^2 + 7067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5621370653 - 2⁶ = 5621370589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5621370613) 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, 2810685326 + 2810685327.

It is an arithmetic number, because the mean of its divisors is an integer number (2810685327).

Almost surely, 2^5621370653 is an apocalyptic number.

It is an amenable number.

5621370653 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621370653 is an equidigital number, since it uses as much as digits as its factorization.

5621370653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 5621370653 is about 74975.8004492116. The cubic root of 5621370653 is about 1778.0640751353.

The spelling of 5621370653 in words is "five billion, six hundred twenty-one million, three hundred seventy thousand, six hundred fifty-three".