1240500563683 has 2 divisors, whose sum is σ = 1240500563684. Its totient is φ = 1240500563682.

The previous prime is 1240500563639. The next prime is 1240500563723. The reversal of 1240500563683 is 3863650050421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240500563683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240500564683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620250281841 + 620250281842.

It is an arithmetic number, because the mean of its divisors is an integer number (620250281842).

Almost surely, 2^{1240500563683} is an apocalyptic number.

1240500563683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240500563683 is an equidigital number, since it uses as much as digits as its factorization.

1240500563683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1240500563683 in words is "one trillion, two hundred forty billion, five hundred million, five hundred sixty-three thousand, six hundred eighty-three".