9695447421 has 16 divisors (see below), whose sum is σ = 14333659968. Its totient is φ = 5779699200.

The previous prime is 9695447383. The next prime is 9695447459. The reversal of 9695447421 is 1247445969.

9695447421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9695447383) and next prime (9695447459).

It is not a de Polignac number, because 9695447421 - 2⁹ = 9695446909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9695443421) 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 in 15 ways as a sum of consecutive naturals, for example, 2406196 + ... + 2410221.

It is an arithmetic number, because the mean of its divisors is an integer number (895853748).

Almost surely, 2^9695447421 is an apocalyptic number.

It is an amenable number.

9695447421 is a deficient number, since it is larger than the sum of its proper divisors (4638212547).

9695447421 is a wasteful number, since it uses less digits than its factorization.

9695447421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816492.

The product of its digits is 2177280, while the sum is 51.

The square root of 9695447421 is about 98465.4630873181. The cubic root of 9695447421 is about 2132.3375353810.

The spelling of 9695447421 in words is "nine billion, six hundred ninety-five million, four hundred forty-seven thousand, four hundred twenty-one".