1494806417263 has 2 divisors, whose sum is σ = 1494806417264. Its totient is φ = 1494806417262.

The previous prime is 1494806417261. The next prime is 1494806417309. The reversal of 1494806417263 is 3627146084941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1494806417263 - 2¹ = 1494806417261 is a prime.

It is a super-2 number, since 2×1494806417263² (a number of 25 digits) contains 22 as substring.

Together with 1494806417261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494806417261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747403208631 + 747403208632.

It is an arithmetic number, because the mean of its divisors is an integer number (747403208632).

Almost surely, 2^{1494806417263} is an apocalyptic number.

1494806417263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494806417263 is an equidigital number, since it uses as much as digits as its factorization.

1494806417263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 1494806417263 in words is "one trillion, four hundred ninety-four billion, eight hundred six million, four hundred seventeen thousand, two hundred sixty-three".