9421319651 has 16 divisors (see below), whose sum is σ = 10154601600. Its totient is φ = 8712059328.

The previous prime is 9421319627. The next prime is 9421319707. The reversal of 9421319651 is 1569131249.

It is a cyclic number.

It is not a de Polignac number, because 9421319651 - 2¹⁸ = 9421057507 is a prime.

It is a super-2 number, since 2×9421319651² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9421319599 and 9421319608.

It is not an unprimeable number, because it can be changed into a prime (9421319851) 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 in 15 ways as a sum of consecutive naturals, for example, 1653215 + ... + 1658903.

It is an arithmetic number, because the mean of its divisors is an integer number (634662600).

Almost surely, 2^9421319651 is an apocalyptic number.

9421319651 is a deficient number, since it is larger than the sum of its proper divisors (733281949).

9421319651 is a wasteful number, since it uses less digits than its factorization.

9421319651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778.

The product of its digits is 58320, while the sum is 41.

The square root of 9421319651 is about 97063.4825822770. The cubic root of 9421319651 is about 2112.0486269551.

The spelling of 9421319651 in words is "nine billion, four hundred twenty-one million, three hundred nineteen thousand, six hundred fifty-one".