7478631018863 has 2 divisors, whose sum is σ = 7478631018864. Its totient is φ = 7478631018862.

The previous prime is 7478631018851. The next prime is 7478631018877. The reversal of 7478631018863 is 3688101368747.

It is a weak prime.

It is an emirp because it is prime and its reverse (3688101368747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7478631018863 - 2³⁴ = 7461451149679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7478631018796 and 7478631018805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7478631018893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739315509431 + 3739315509432.

It is an arithmetic number, because the mean of its divisors is an integer number (3739315509432).

Almost surely, 2^{7478631018863} is an apocalyptic number.

7478631018863 is a deficient number, since it is larger than the sum of its proper divisors (1).

7478631018863 is an equidigital number, since it uses as much as digits as its factorization.

7478631018863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 7478631018863 in words is "seven trillion, four hundred seventy-eight billion, six hundred thirty-one million, eighteen thousand, eight hundred sixty-three".