9869483921 has 4 divisors (see below), whose sum is σ = 10766709744. Its totient is φ = 8972258100.

The previous prime is 9869483863. The next prime is 9869483927. The reversal of 9869483921 is 1293849689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1293849689 = 11 ⋅117622699.

It is a cyclic number.

It is not a de Polignac number, because 9869483921 - 2²² = 9865289617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9869483927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448612895 + ... + 448612916.

It is an arithmetic number, because the mean of its divisors is an integer number (2691677436).

Almost surely, 2^9869483921 is an apocalyptic number.

It is an amenable number.

9869483921 is a deficient number, since it is larger than the sum of its proper divisors (897225823).

9869483921 is a wasteful number, since it uses less digits than its factorization.

9869483921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897225822.

The product of its digits is 6718464, while the sum is 59.

The square root of 9869483921 is about 99345.2762893133. The cubic root of 9869483921 is about 2145.0206688184.

The spelling of 9869483921 in words is "nine billion, eight hundred sixty-nine million, four hundred eighty-three thousand, nine hundred twenty-one".