2108965837463 has 2 divisors, whose sum is σ = 2108965837464. Its totient is φ = 2108965837462.

The previous prime is 2108965837421. The next prime is 2108965837471. The reversal of 2108965837463 is 3647385698012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108965837463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2108965837396 and 2108965837405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108965834463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054482918731 + 1054482918732.

It is an arithmetic number, because the mean of its divisors is an integer number (1054482918732).

It is a 1-persistent number, because it is pandigital, but 2⋅2108965837463 = 4217931674926 is not.

Almost surely, 2^{2108965837463} is an apocalyptic number.

2108965837463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108965837463 is an equidigital number, since it uses as much as digits as its factorization.

2108965837463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 2108965837463 in words is "two trillion, one hundred eight billion, nine hundred sixty-five million, eight hundred thirty-seven thousand, four hundred sixty-three".