9421319649 has 8 divisors (see below), whose sum is σ = 14356296640. Its totient is φ = 5383611216.

The previous prime is 9421319627. The next prime is 9421319707. The reversal of 9421319649 is 9469131249.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9421319649 - 2²⁹ = 8884448737 is a prime.

It is a super-2 number, since 2×9421319649² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9421319598 and 9421319607.

It is not an unprimeable number, because it can be changed into a prime (9421319449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224317114 + ... + 224317155.

It is an arithmetic number, because the mean of its divisors is an integer number (1794537080).

Almost surely, 2^9421319649 is an apocalyptic number.

It is an amenable number.

9421319649 is a deficient number, since it is larger than the sum of its proper divisors (4934976991).

9421319649 is a wasteful number, since it uses less digits than its factorization.

9421319649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448634279.

The product of its digits is 419904, while the sum is 48.

The square root of 9421319649 is about 97063.4825719745. The cubic root of 9421319649 is about 2112.0486268056.

The spelling of 9421319649 in words is "nine billion, four hundred twenty-one million, three hundred nineteen thousand, six hundred forty-nine".