10405105454243 has 4 divisors (see below), whose sum is σ = 10405118557848. Its totient is φ = 10405092350640.

The previous prime is 10405105454239. The next prime is 10405105454323. The reversal of 10405105454243 is 34245450150401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10405105454243 - 2² = 10405105454239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10405105454197 and 10405105454206.

It is not an unprimeable number, because it can be changed into a prime (10405105451243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5278178 + ... + 6976343.

It is an arithmetic number, because the mean of its divisors is an integer number (2601279639462).

Almost surely, 2^{10405105454243} is an apocalyptic number.

10405105454243 is a deficient number, since it is larger than the sum of its proper divisors (13103605).

10405105454243 is an equidigital number, since it uses as much as digits as its factorization.

10405105454243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103604.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 10405105454243 in words is "ten trillion, four hundred five billion, one hundred five million, four hundred fifty-four thousand, two hundred forty-three".