240203683598129 has 2 divisors, whose sum is σ = 240203683598130. Its totient is φ = 240203683598128.

The previous prime is 240203683598071. The next prime is 240203683598171. The reversal of 240203683598129 is 921895386302042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206521272239104 + 33682411359025 = 14370848^2 + 5803655^2 .

It is a cyclic number.

It is not a de Polignac number, because 240203683598129 - 2⁸ = 240203683597873 is a prime.

It is a super-2 number, since 2×240203683598129² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240203683598029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120101841799064 + 120101841799065.

It is an arithmetic number, because the mean of its divisors is an integer number (120101841799065).

Almost surely, 2^{240203683598129} is an apocalyptic number.

It is an amenable number.

240203683598129 is a deficient number, since it is larger than the sum of its proper divisors (1).

240203683598129 is an equidigital number, since it uses as much as digits as its factorization.

240203683598129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 240203683598129 in words is "two hundred forty trillion, two hundred three billion, six hundred eighty-three million, five hundred ninety-eight thousand, one hundred twenty-nine".