1188630643247 has 2 divisors, whose sum is σ = 1188630643248. Its totient is φ = 1188630643246.

The previous prime is 1188630643159. The next prime is 1188630643337. The reversal of 1188630643247 is 7423460368811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1188630643247 - 2¹⁰ = 1188630642223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188630643147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594315321623 + 594315321624.

It is an arithmetic number, because the mean of its divisors is an integer number (594315321624).

Almost surely, 2^{1188630643247} is an apocalyptic number.

1188630643247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188630643247 is an equidigital number, since it uses as much as digits as its factorization.

1188630643247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 1188630643247 in words is "one trillion, one hundred eighty-eight billion, six hundred thirty million, six hundred forty-three thousand, two hundred forty-seven".