3993220890562 has 4 divisors (see below), whose sum is σ = 5989831335846. Its totient is φ = 1996610445280.

The previous prime is 3993220890457. The next prime is 3993220890563. The reversal of 3993220890562 is 2650980223993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3789559129041 + 203661761521 = 1946679^2 + 451289^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3993220890497 and 3993220890506.

It is not an unprimeable number, because it can be changed into a prime (3993220890563) by changing a digit.

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 as a sum of consecutive naturals, namely, 998305222639 + ... + 998305222642.

Almost surely, 2^{3993220890562} is an apocalyptic number.

3993220890562 is a deficient number, since it is larger than the sum of its proper divisors (1996610445284).

3993220890562 is a wasteful number, since it uses less digits than its factorization.

3993220890562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996610445283.

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 3993220890562 in words is "three trillion, nine hundred ninety-three billion, two hundred twenty million, eight hundred ninety thousand, five hundred sixty-two".