240955361971 has 2 divisors, whose sum is σ = 240955361972. Its totient is φ = 240955361970.

The previous prime is 240955361917. The next prime is 240955361989. The reversal of 240955361971 is 179163559042.

Together with previous prime (240955361917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240955361971 - 2¹¹ = 240955359923 is a prime.

It is not a weakly prime, because it can be changed into another prime (240959361971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120477680985 + 120477680986.

It is an arithmetic number, because the mean of its divisors is an integer number (120477680986).

Almost surely, 2^240955361971 is an apocalyptic number.

240955361971 is a deficient number, since it is larger than the sum of its proper divisors (1).

240955361971 is an equidigital number, since it uses as much as digits as its factorization.

240955361971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 240955361971 in words is "two hundred forty billion, nine hundred fifty-five million, three hundred sixty-one thousand, nine hundred seventy-one".