2243758793021 has 4 divisors (see below), whose sum is σ = 2295939230112. Its totient is φ = 2191578355932.

The previous prime is 2243758792997. The next prime is 2243758793039. The reversal of 2243758793021 is 1203978573422.

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 2243758793021 - 2²² = 2243754598717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243758793321) 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, 26090218481 + ... + 26090218566.

It is an arithmetic number, because the mean of its divisors is an integer number (573984807528).

Almost surely, 2^{2243758793021} is an apocalyptic number.

It is an amenable number.

2243758793021 is a deficient number, since it is larger than the sum of its proper divisors (52180437091).

2243758793021 is an equidigital number, since it uses as much as digits as its factorization.

2243758793021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52180437090.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 2243758793021 in words is "two trillion, two hundred forty-three billion, seven hundred fifty-eight million, seven hundred ninety-three thousand, twenty-one".