7889249133223 has 2 divisors, whose sum is σ = 7889249133224. Its totient is φ = 7889249133222.

The previous prime is 7889249133209. The next prime is 7889249133299. The reversal of 7889249133223 is 3223319429887.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7889249133223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7889249133323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3944624566611 + 3944624566612.

It is an arithmetic number, because the mean of its divisors is an integer number (3944624566612).

Almost surely, 2^{7889249133223} is an apocalyptic number.

7889249133223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7889249133223 is an equidigital number, since it uses as much as digits as its factorization.

7889249133223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 7889249133223 in words is "seven trillion, eight hundred eighty-nine billion, two hundred forty-nine million, one hundred thirty-three thousand, two hundred twenty-three".