9433489821 has 16 divisors (see below), whose sum is σ = 14460923904. Its totient is φ = 5358284784.

The previous prime is 9433489811. The next prime is 9433489829. The reversal of 9433489821 is 1289843349.

It is not a de Polignac number, because 9433489821 - 2⁹ = 9433489309 is a prime.

It is a super-2 number, since 2×9433489821² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9433489829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341445 + ... + 1348458.

It is an arithmetic number, because the mean of its divisors is an integer number (903807744).

Almost surely, 2^9433489821 is an apocalyptic number.

It is an amenable number.

9433489821 is a deficient number, since it is larger than the sum of its proper divisors (5027434083).

9433489821 is a wasteful number, since it uses less digits than its factorization.

9433489821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690080.

The product of its digits is 1492992, while the sum is 51.

The square root of 9433489821 is about 97126.1541553046. The cubic root of 9433489821 is about 2112.9576620603.

The spelling of 9433489821 in words is "nine billion, four hundred thirty-three million, four hundred eighty-nine thousand, eight hundred twenty-one".