23869889773 has 2 divisors, whose sum is σ = 23869889774. Its totient is φ = 23869889772.

The previous prime is 23869889767. The next prime is 23869889789. The reversal of 23869889773 is 37798896832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23537082724 + 332807049 = 153418^2 + 18243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23869889773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23869889273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934944886 + 11934944887.

It is an arithmetic number, because the mean of its divisors is an integer number (11934944887).

Almost surely, 2^23869889773 is an apocalyptic number.

It is an amenable number.

23869889773 is a deficient number, since it is larger than the sum of its proper divisors (1).

23869889773 is an equidigital number, since it uses as much as digits as its factorization.

23869889773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 70.

The spelling of 23869889773 in words is "twenty-three billion, eight hundred sixty-nine million, eight hundred eighty-nine thousand, seven hundred seventy-three".