993020240404213 has 4 divisors (see below), whose sum is σ = 1134880274747680. Its totient is φ = 851160206060748.

The previous prime is 993020240404207. The next prime is 993020240404301. The reversal of 993020240404213 is 312404042020399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 993020240404213 - 2³³ = 993011650469621 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 993020240404213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993020240402213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70930017171723 + ... + 70930017171736.

It is an arithmetic number, because the mean of its divisors is an integer number (283720068686920).

Almost surely, 2^{993020240404213} is an apocalyptic number.

It is an amenable number.

993020240404213 is a deficient number, since it is larger than the sum of its proper divisors (141860034343467).

993020240404213 is a wasteful number, since it uses less digits than its factorization.

993020240404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141860034343466.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 993020240404213 in words is "nine hundred ninety-three trillion, twenty billion, two hundred forty million, four hundred four thousand, two hundred thirteen".