2233821397869 has 20 divisors (see below), whose sum is σ = 3338347210044. Its totient is φ = 1488587626944.

The previous prime is 2233821397859. The next prime is 2233821397891. The reversal of 2233821397869 is 9687931283322.

2233821397869 is a `hidden beast` number, since 2 + 2 + 338 + 213 + 9 + 7 + 86 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1173837899844 + 1059983498025 = 1083438^2 + 1029555^2 .

It is not a de Polignac number, because 2233821397869 - 2⁴ = 2233821397853 is a prime.

It is a super-2 number, since 2×2233821397869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233821397859) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5608482 + ... + 5993555.

Almost surely, 2^{2233821397869} is an apocalyptic number.

It is an amenable number.

2233821397869 is a deficient number, since it is larger than the sum of its proper divisors (1104525812175).

2233821397869 is a wasteful number, since it uses less digits than its factorization.

2233821397869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11604426 (or 11604417 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 2233821397869 in words is "two trillion, two hundred thirty-three billion, eight hundred twenty-one million, three hundred ninety-seven thousand, eight hundred sixty-nine".