105949334819 has 4 divisors (see below), whose sum is σ = 105949986744. Its totient is φ = 105948682896.

The previous prime is 105949334767. The next prime is 105949334861. The reversal of 105949334819 is 918433949501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 105949334819 - 2⁸ = 105949334563 is a prime.

It is a super-2 number, since 2×105949334819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105949334119) 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, 136919 + ... + 480255.

It is an arithmetic number, because the mean of its divisors is an integer number (26487496686).

Almost surely, 2^105949334819 is an apocalyptic number.

105949334819 is a deficient number, since it is larger than the sum of its proper divisors (651925).

105949334819 is an equidigital number, since it uses as much as digits as its factorization.

105949334819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651924.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 105949334819 in words is "one hundred five billion, nine hundred forty-nine million, three hundred thirty-four thousand, eight hundred nineteen".