24242040061 has 2 divisors, whose sum is σ = 24242040062. Its totient is φ = 24242040060.

The previous prime is 24242040049. The next prime is 24242040079. The reversal of 24242040061 is 16004024242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13341636036 + 10900404025 = 115506^2 + 104405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24242040061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24242040091) 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, 12121020030 + 12121020031.

It is an arithmetic number, because the mean of its divisors is an integer number (12121020031).

Almost surely, 2^24242040061 is an apocalyptic number.

It is an amenable number.

24242040061 is a deficient number, since it is larger than the sum of its proper divisors (1).

24242040061 is an equidigital number, since it uses as much as digits as its factorization.

24242040061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The spelling of 24242040061 in words is "twenty-four billion, two hundred forty-two million, forty thousand, sixty-one".