1233396668389 has 8 divisors (see below), whose sum is σ = 1240125748992. Its totient is φ = 1226679857760.

The previous prime is 1233396668311. The next prime is 1233396668423. The reversal of 1233396668389 is 9838666933321.

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 1233396668389 - 2²¹ = 1233394571237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233396668089) 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 in 7 ways as a sum of consecutive naturals, for example, 2865867 + ... + 3268024.

It is an arithmetic number, because the mean of its divisors is an integer number (155015718624).

Almost surely, 2^{1233396668389} is an apocalyptic number.

It is an amenable number.

1233396668389 is a deficient number, since it is larger than the sum of its proper divisors (6729080603).

1233396668389 is an equidigital number, since it uses as much as digits as its factorization.

1233396668389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6134987.

The product of its digits is 181398528, while the sum is 67.

The spelling of 1233396668389 in words is "one trillion, two hundred thirty-three billion, three hundred ninety-six million, six hundred sixty-eight thousand, three hundred eighty-nine".