23273286749 has 2 divisors, whose sum is σ = 23273286750. Its totient is φ = 23273286748.

The previous prime is 23273286721. The next prime is 23273286767. The reversal of 23273286749 is 94768237232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16311887524 + 6961399225 = 127718^2 + 83435^2 .

It is a cyclic number.

It is not a de Polignac number, because 23273286749 - 2⁸ = 23273286493 is a prime.

It is a super-2 number, since 2×23273286749² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23273286749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23273286709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11636643374 + 11636643375.

It is an arithmetic number, because the mean of its divisors is an integer number (11636643375).

Almost surely, 2^23273286749 is an apocalyptic number.

It is an amenable number.

23273286749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23273286749 is an equidigital number, since it uses as much as digits as its factorization.

23273286749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The spelling of 23273286749 in words is "twenty-three billion, two hundred seventy-three million, two hundred eighty-six thousand, seven hundred forty-nine".