240321049327529 has 2 divisors, whose sum is σ = 240321049327530. Its totient is φ = 240321049327528.

The previous prime is 240321049327517. The next prime is 240321049327531. The reversal of 240321049327529 is 925723940123042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229147085136025 + 11173964191504 = 15137605^2 + 3342748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240321049327529 is a prime.

Together with 240321049327531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240321049327559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120160524663764 + 120160524663765.

It is an arithmetic number, because the mean of its divisors is an integer number (120160524663765).

Almost surely, 2^{240321049327529} is an apocalyptic number.

It is an amenable number.

240321049327529 is a deficient number, since it is larger than the sum of its proper divisors (1).

240321049327529 is an equidigital number, since it uses as much as digits as its factorization.

240321049327529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 240321049327529 in words is "two hundred forty trillion, three hundred twenty-one billion, forty-nine million, three hundred twenty-seven thousand, five hundred twenty-nine".