240157701243697 has 2 divisors, whose sum is σ = 240157701243698. Its totient is φ = 240157701243696.

The previous prime is 240157701243671. The next prime is 240157701243769. The reversal of 240157701243697 is 796342107751042.

Together with next prime (240157701243769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214778433613041 + 25379267630656 = 14655321^2 + 5037784^2 .

It is a cyclic number.

It is not a de Polignac number, because 240157701243697 - 2¹¹ = 240157701241649 is a prime.

It is not a weakly prime, because it can be changed into another prime (240257701243697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120078850621848 + 120078850621849.

It is an arithmetic number, because the mean of its divisors is an integer number (120078850621849).

Almost surely, 2^{240157701243697} is an apocalyptic number.

It is an amenable number.

240157701243697 is a deficient number, since it is larger than the sum of its proper divisors (1).

240157701243697 is an equidigital number, since it uses as much as digits as its factorization.

240157701243697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 240157701243697 in words is "two hundred forty trillion, one hundred fifty-seven billion, seven hundred one million, two hundred forty-three thousand, six hundred ninety-seven".