41263978663 has 2 divisors, whose sum is σ = 41263978664. Its totient is φ = 41263978662.

The previous prime is 41263978589. The next prime is 41263978681. The reversal of 41263978663 is 36687936214.

41263978663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41263978663 - 2¹⁷ = 41263847591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41263978963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20631989331 + 20631989332.

It is an arithmetic number, because the mean of its divisors is an integer number (20631989332).

Almost surely, 2^41263978663 is an apocalyptic number.

41263978663 is a deficient number, since it is larger than the sum of its proper divisors (1).

41263978663 is an equidigital number, since it uses as much as digits as its factorization.

41263978663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 55.

The spelling of 41263978663 in words is "forty-one billion, two hundred sixty-three million, nine hundred seventy-eight thousand, six hundred sixty-three".