1819202000002 has 8 divisors (see below), whose sum is σ = 2728809844812. Its totient is φ = 909598718400.

The previous prime is 1819201999997. The next prime is 1819202000003. The reversal of 1819202000002 is 2000002029181.

It can be written as a sum of positive squares in 2 ways, for example, as 1789946976321 + 29255023681 = 1337889^2 + 171041^2 .

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

It is a super-2 number, since 2×1819202000002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1819202000003) 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, 146302 + ... + 1913062.

Almost surely, 2^{1819202000002} is an apocalyptic number.

1819202000002 is a deficient number, since it is larger than the sum of its proper divisors (909607844810).

1819202000002 is a wasteful number, since it uses less digits than its factorization.

1819202000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281604.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 1819202000002 its reverse (2000002029181), we get a palindrome (3819204029183).

The spelling of 1819202000002 in words is "one trillion, eight hundred nineteen billion, two hundred two million, two", and thus it is an aban number.