9421803825 has 24 divisors (see below), whose sum is σ = 17802723648. Its totient is φ = 4307110080.

The previous prime is 9421803821. The next prime is 9421803827. The reversal of 9421803825 is 5283081249.

It is not a de Polignac number, because 9421803825 - 2² = 9421803821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9421803821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8972622 + ... + 8973671.

It is an arithmetic number, because the mean of its divisors is an integer number (741780152).

Almost surely, 2^9421803825 is an apocalyptic number.

It is an amenable number.

9421803825 is a deficient number, since it is larger than the sum of its proper divisors (8380919823).

9421803825 is a wasteful number, since it uses less digits than its factorization.

9421803825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17946313 (or 17946308 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 9421803825 is about 97065.9766602078. The cubic root of 9421803825 is about 2112.0848066536.

The spelling of 9421803825 in words is "nine billion, four hundred twenty-one million, eight hundred three thousand, eight hundred twenty-five".