263610417111403 has 2 divisors, whose sum is σ = 263610417111404. Its totient is φ = 263610417111402.

The previous prime is 263610417111397. The next prime is 263610417111443. The reversal of 263610417111403 is 304111714016362.

263610417111403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (263610417111443) can be obtained adding 263610417111403 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263610417111403 - 2⁹ = 263610417110891 is a prime.

It is not a weakly prime, because it can be changed into another prime (263610417111443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131805208555701 + 131805208555702.

It is an arithmetic number, because the mean of its divisors is an integer number (131805208555702).

Almost surely, 2^{263610417111403} is an apocalyptic number.

263610417111403 is a deficient number, since it is larger than the sum of its proper divisors (1).

263610417111403 is an equidigital number, since it uses as much as digits as its factorization.

263610417111403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 263610417111403 in words is "two hundred sixty-three trillion, six hundred ten billion, four hundred seventeen million, one hundred eleven thousand, four hundred three".