538803409325 has 24 divisors (see below), whose sum is σ = 715200280800. Its totient is φ = 401434954560.

The previous prime is 538803409289. The next prime is 538803409351. The reversal of 538803409325 is 523904308835.

It is not a de Polignac number, because 538803409325 - 2³⁸ = 263925502381 is a prime.

It is a super-2 number, since 2×538803409325² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9584882 + ... + 9640931.

It is an arithmetic number, because the mean of its divisors is an integer number (29800011700).

Almost surely, 2^538803409325 is an apocalyptic number.

It is an amenable number.

538803409325 is a deficient number, since it is larger than the sum of its proper divisors (176396871475).

538803409325 is a wasteful number, since it uses less digits than its factorization.

538803409325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19225901 (or 19225896 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 538803409325 in words is "five hundred thirty-eight billion, eight hundred three million, four hundred nine thousand, three hundred twenty-five".