105418454819 has 2 divisors, whose sum is σ = 105418454820. Its totient is φ = 105418454818.

The previous prime is 105418454773. The next prime is 105418454837. The reversal of 105418454819 is 918454814501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105418454819 - 2²⁸ = 105150019363 is a prime.

It is a super-2 number, since 2×105418454819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105418454849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52709227409 + 52709227410.

It is an arithmetic number, because the mean of its divisors is an integer number (52709227410).

Almost surely, 2^105418454819 is an apocalyptic number.

105418454819 is a deficient number, since it is larger than the sum of its proper divisors (1).

105418454819 is an equidigital number, since it uses as much as digits as its factorization.

105418454819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 105418454819 in words is "one hundred five billion, four hundred eighteen million, four hundred fifty-four thousand, eight hundred nineteen".