2105923164619 has 8 divisors (see below), whose sum is σ = 2171063743200. Its totient is φ = 2041215414336.

The previous prime is 2105923164599. The next prime is 2105923164659. The reversal of 2105923164619 is 9164613295012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105923164619 - 2¹¹ = 2105923162571 is a prime.

It is a super-2 number, since 2×2105923164619² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105923164659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108197194 + ... + 108216655.

It is an arithmetic number, because the mean of its divisors is an integer number (271382967900).

Almost surely, 2^{2105923164619} is an apocalyptic number.

2105923164619 is a deficient number, since it is larger than the sum of its proper divisors (65140578581).

2105923164619 is a wasteful number, since it uses less digits than its factorization.

2105923164619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216414149.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 2105923164619 in words is "two trillion, one hundred five billion, nine hundred twenty-three million, one hundred sixty-four thousand, six hundred nineteen".