1819713036081 has 16 divisors (see below), whose sum is σ = 2445542555648. Its totient is φ = 1203513973200.

The previous prime is 1819713036019. The next prime is 1819713036187. The reversal of 1819713036081 is 1806303179181.

It is not a de Polignac number, because 1819713036081 - 2⁶ = 1819713036017 is a prime.

It is a super-2 number, since 2×1819713036081² (a number of 25 digits) contains 22 as substring.

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 1819713036081.

It is not an unprimeable number, because it can be changed into a prime (1819713036481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6270726 + ... + 6554496.

It is an arithmetic number, because the mean of its divisors is an integer number (152846409728).

Almost surely, 2^{1819713036081} is an apocalyptic number.

It is an amenable number.

1819713036081 is a deficient number, since it is larger than the sum of its proper divisors (625829519567).

1819713036081 is a wasteful number, since it uses less digits than its factorization.

1819713036081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300732.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 1819713036081 in words is "one trillion, eight hundred nineteen billion, seven hundred thirteen million, thirty-six thousand, eighty-one".