1806433012 has 6 divisors (see below), whose sum is σ = 3161257778. Its totient is φ = 903216504.

The previous prime is 1806433009. The next prime is 1806433021. The reversal of 1806433012 is 2103346081.

It can be written as a sum of positive squares in only one way, i.e., 1378191376 + 428241636 = 37124^2 + 20694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225804123 + ... + 225804130.

Almost surely, 2^1806433012 is an apocalyptic number.

It is an amenable number.

1806433012 is a deficient number, since it is larger than the sum of its proper divisors (1354824766).

1806433012 is a wasteful number, since it uses less digits than its factorization.

1806433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451608257 (or 451608255 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1806433012 is about 42502.1530278173. The cubic root of 1806433012 is about 1217.8878198169.

Adding to 1806433012 its reverse (2103346081), we get a palindrome (3909779093).

It can be divided in two parts, 18064 and 33012, that added together give a square (51076 = 226²).

The spelling of 1806433012 in words is "one billion, eight hundred six million, four hundred thirty-three thousand, twelve".