2105401312363 has 2 divisors, whose sum is σ = 2105401312364. Its totient is φ = 2105401312362.

The previous prime is 2105401312321. The next prime is 2105401312403. The reversal of 2105401312363 is 3632131045012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105401312363 - 2⁹ = 2105401311851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105401352363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052700656181 + 1052700656182.

It is an arithmetic number, because the mean of its divisors is an integer number (1052700656182).

Almost surely, 2^{2105401312363} is an apocalyptic number.

2105401312363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105401312363 is an equidigital number, since it uses as much as digits as its factorization.

2105401312363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 2105401312363 its reverse (3632131045012), we get a palindrome (5737532357375).

The spelling of 2105401312363 in words is "two trillion, one hundred five billion, four hundred one million, three hundred twelve thousand, three hundred sixty-three".