1819036036 has 12 divisors (see below), whose sum is σ = 3212518540. Its totient is φ = 901173600.

The previous prime is 1819036033. The next prime is 1819036097. The reversal of 1819036036 is 6306309181.

It can be written as a sum of positive squares in 2 ways, for example, as 1410753600 + 408282436 = 37560^2 + 20206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1819035986 and 1819036004.

It is not an unprimeable number, because it can be changed into a prime (1819036033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085615 + ... + 2086486.

Almost surely, 2^1819036036 is an apocalyptic number.

It is an amenable number.

1819036036 is a deficient number, since it is larger than the sum of its proper divisors (1393482504).

1819036036 is a wasteful number, since it uses less digits than its factorization.

1819036036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172214 (or 4172212 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1819036036 is about 42650.1586866919. The cubic root of 1819036036 is about 1220.7135564143.

The spelling of 1819036036 in words is "one billion, eight hundred nineteen million, thirty-six thousand, thirty-six".