24243202261 has 2 divisors, whose sum is σ = 24243202262. Its totient is φ = 24243202260.

The previous prime is 24243202231. The next prime is 24243202349. The reversal of 24243202261 is 16220234242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23357008900 + 886193361 = 152830^2 + 29769^2 .

It is a cyclic number.

It is not a de Polignac number, because 24243202261 - 2²⁹ = 23706331349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24243202201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12121601130 + 12121601131.

It is an arithmetic number, because the mean of its divisors is an integer number (12121601131).

Almost surely, 2^24243202261 is an apocalyptic number.

It is an amenable number.

24243202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24243202261 is an equidigital number, since it uses as much as digits as its factorization.

24243202261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 24243202261 in words is "twenty-four billion, two hundred forty-three million, two hundred two thousand, two hundred sixty-one".