1812796854819 has 8 divisors (see below), whose sum is σ = 2559242618640. Its totient is φ = 1137441163776.

The previous prime is 1812796854797. The next prime is 1812796854823. The reversal of 1812796854819 is 9184586972181.

It is a happy number.

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

It is not a de Polignac number, because 1812796854819 - 2⁵ = 1812796854787 is a prime.

It is a super-2 number, since 2×1812796854819² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1812796854119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17772518134 + ... + 17772518235.

It is an arithmetic number, because the mean of its divisors is an integer number (319905327330).

Almost surely, 2^{1812796854819} is an apocalyptic number.

1812796854819 is a deficient number, since it is larger than the sum of its proper divisors (746445763821).

1812796854819 is a wasteful number, since it uses less digits than its factorization.

1812796854819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35545036389.

The product of its digits is 69672960, while the sum is 69.

The spelling of 1812796854819 in words is "one trillion, eight hundred twelve billion, seven hundred ninety-six million, eight hundred fifty-four thousand, eight hundred nineteen".