105791829842 has 4 divisors (see below), whose sum is σ = 158687744766. Its totient is φ = 52895914920.

The previous prime is 105791829809. The next prime is 105791829851. The reversal of 105791829842 is 248928197501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248928197501 = 19 ⋅13101484079.

It can be written as a sum of positive squares in only one way, i.e., 105396973201 + 394856641 = 324649^2 + 19871^2 .

It is a super-2 number, since 2×105791829842² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26447957459 + ... + 26447957462.

Almost surely, 2^105791829842 is an apocalyptic number.

105791829842 is a deficient number, since it is larger than the sum of its proper divisors (52895914924).

105791829842 is an equidigital number, since it uses as much as digits as its factorization.

105791829842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52895914923.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 105791829842 in words is "one hundred five billion, seven hundred ninety-one million, eight hundred twenty-nine thousand, eight hundred forty-two".