1812090519695 has 16 divisors (see below), whose sum is σ = 2177271539712. Its totient is φ = 1447830853920.

The previous prime is 1812090519671. The next prime is 1812090519697. The reversal of 1812090519695 is 5969150902181.

It is not a de Polignac number, because 1812090519695 - 2¹⁰ = 1812090518671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1812090519695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812090519697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51948110 + ... + 51982980.

It is an arithmetic number, because the mean of its divisors is an integer number (136079471232).

Almost surely, 2^{1812090519695} is an apocalyptic number.

1812090519695 is a deficient number, since it is larger than the sum of its proper divisors (365181020017).

1812090519695 is a wasteful number, since it uses less digits than its factorization.

1812090519695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47782.

The product of its (nonzero) digits is 1749600, while the sum is 56.

The spelling of 1812090519695 in words is "one trillion, eight hundred twelve billion, ninety million, five hundred nineteen thousand, six hundred ninety-five".