240343015199953 has 2 divisors, whose sum is σ = 240343015199954. Its totient is φ = 240343015199952.

The previous prime is 240343015199939. The next prime is 240343015200083. The reversal of 240343015199953 is 359991510343042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228724849817104 + 11618165382849 = 15123652^2 + 3408543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240343015199953 is a prime.

It is not a weakly prime, because it can be changed into another prime (240343015119953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120171507599976 + 120171507599977.

It is an arithmetic number, because the mean of its divisors is an integer number (120171507599977).

Almost surely, 2^{240343015199953} is an apocalyptic number.

It is an amenable number.

240343015199953 is a deficient number, since it is larger than the sum of its proper divisors (1).

240343015199953 is an equidigital number, since it uses as much as digits as its factorization.

240343015199953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 240343015199953 in words is "two hundred forty trillion, three hundred forty-three billion, fifteen million, one hundred ninety-nine thousand, nine hundred fifty-three".