9629379421 has 2 divisors, whose sum is σ = 9629379422. Its totient is φ = 9629379420.

The previous prime is 9629379407. The next prime is 9629379449. The reversal of 9629379421 is 1249739269.

It is a happy number.

9629379421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7700940025 + 1928439396 = 87755^2 + 43914^2 .

It is a cyclic number.

It is not a de Polignac number, because 9629379421 - 2¹⁹ = 9628855133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9629374421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814689710 + 4814689711.

It is an arithmetic number, because the mean of its divisors is an integer number (4814689711).

Almost surely, 2^9629379421 is an apocalyptic number.

It is an amenable number.

9629379421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9629379421 is an equidigital number, since it uses as much as digits as its factorization.

9629379421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 9629379421 is about 98129.4014095674. The cubic root of 9629379421 is about 2127.4830063592.

The spelling of 9629379421 in words is "nine billion, six hundred twenty-nine million, three hundred seventy-nine thousand, four hundred twenty-one".