993503521245 has 8 divisors (see below), whose sum is σ = 1589605634016. Its totient is φ = 529868544656.

The previous prime is 993503521189. The next prime is 993503521259. The reversal of 993503521245 is 542125305399.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 993503521245 - 2⁹ = 993503520733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993503521194 and 993503521203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33116784027 + ... + 33116784056.

It is an arithmetic number, because the mean of its divisors is an integer number (198700704252).

Almost surely, 2^993503521245 is an apocalyptic number.

It is an amenable number.

993503521245 is a deficient number, since it is larger than the sum of its proper divisors (596102112771).

993503521245 is a wasteful number, since it uses less digits than its factorization.

993503521245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66233568091.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 993503521245 in words is "nine hundred ninety-three billion, five hundred three million, five hundred twenty-one thousand, two hundred forty-five".