240311630646463 has 2 divisors, whose sum is σ = 240311630646464. Its totient is φ = 240311630646462.

The previous prime is 240311630646431. The next prime is 240311630646509. The reversal of 240311630646463 is 364646036113042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240311630646463 - 2⁵ = 240311630646431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240311630646863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120155815323231 + 120155815323232.

It is an arithmetic number, because the mean of its divisors is an integer number (120155815323232).

Almost surely, 2^{240311630646463} is an apocalyptic number.

240311630646463 is a deficient number, since it is larger than the sum of its proper divisors (1).

240311630646463 is an equidigital number, since it uses as much as digits as its factorization.

240311630646463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 49.

The spelling of 240311630646463 in words is "two hundred forty trillion, three hundred eleven billion, six hundred thirty million, six hundred forty-six thousand, four hundred sixty-three".