9730621447 has 2 divisors, whose sum is σ = 9730621448. Its totient is φ = 9730621446.

The previous prime is 9730621429. The next prime is 9730621451. The reversal of 9730621447 is 7441260379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9730621447 - 2⁷ = 9730621319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9730621427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4865310723 + 4865310724.

It is an arithmetic number, because the mean of its divisors is an integer number (4865310724).

Almost surely, 2^9730621447 is an apocalyptic number.

9730621447 is a deficient number, since it is larger than the sum of its proper divisors (1).

9730621447 is an equidigital number, since it uses as much as digits as its factorization.

9730621447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 9730621447 is about 98643.9123666534. The cubic root of 9730621447 is about 2134.9130526744.

The spelling of 9730621447 in words is "nine billion, seven hundred thirty million, six hundred twenty-one thousand, four hundred forty-seven".