993003521052 has 96 divisors (see below), whose sum is σ = 2380005508608. Its totient is φ = 322153979904.

The previous prime is 993003521051. The next prime is 993003521053. The reversal of 993003521052 is 250125300399.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (993003521051) and next prime (993003521053).

It is a self number, because there is not a number n which added to its sum of digits gives 993003521052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993003521051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19774408 + ... + 19824560.

It is an arithmetic number, because the mean of its divisors is an integer number (24791724048).

Almost surely, 2^993003521052 is an apocalyptic number.

It is an amenable number.

993003521052 is an abundant number, since it is smaller than the sum of its proper divisors (1387001987556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993003521052 is a wasteful number, since it uses less digits than its factorization.

993003521052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50539 (or 50537 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 39.

The spelling of 993003521052 in words is "nine hundred ninety-three billion, three million, five hundred twenty-one thousand, fifty-two".