240423614464513 has 2 divisors, whose sum is σ = 240423614464514. Its totient is φ = 240423614464512.

The previous prime is 240423614464511. The next prime is 240423614464549. The reversal of 240423614464513 is 315464416324042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186625981076544 + 53797633387969 = 13661112^2 + 7334687^2 .

It is a cyclic number.

It is not a de Polignac number, because 240423614464513 - 2¹ = 240423614464511 is a prime.

Together with 240423614464511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (240423614464511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120211807232256 + 120211807232257.

It is an arithmetic number, because the mean of its divisors is an integer number (120211807232257).

Almost surely, 2^{240423614464513} is an apocalyptic number.

It is an amenable number.

240423614464513 is a deficient number, since it is larger than the sum of its proper divisors (1).

240423614464513 is an equidigital number, since it uses as much as digits as its factorization.

240423614464513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 240423614464513 in words is "two hundred forty trillion, four hundred twenty-three billion, six hundred fourteen million, four hundred sixty-four thousand, five hundred thirteen".