993490588636325 has 24 divisors (see below), whose sum is σ = 1327007853285576. Its totient is φ = 733479949440000.

The previous prime is 993490588636283. The next prime is 993490588636361. The reversal of 993490588636325 is 523636885094399.

It can be written as a sum of positive squares in 12 ways, for example, as 541441800285604 + 452048788350721 = 23268902^2 + 21261439^2 .

It is not a de Polignac number, because 993490588636325 - 2⁸ = 993490588636069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 993490588636325.

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, 362464016 + ... + 365194665.

It is an arithmetic number, because the mean of its divisors is an integer number (55291993886899).

Almost surely, 2^{993490588636325} is an apocalyptic number.

It is an amenable number.

993490588636325 is a deficient number, since it is larger than the sum of its proper divisors (333517264649251).

993490588636325 is a wasteful number, since it uses less digits than its factorization.

993490588636325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727662905 (or 727662900 counting only the distinct ones).

The product of its (nonzero) digits is 9069926400, while the sum is 80.

The spelling of 993490588636325 in words is "nine hundred ninety-three trillion, four hundred ninety billion, five hundred eighty-eight million, six hundred thirty-six thousand, three hundred twenty-five".