1812349150 has 24 divisors (see below), whose sum is σ = 3374877744. Its totient is φ = 724099200.

The previous prime is 1812349139. The next prime is 1812349157. The reversal of 1812349150 is 519432181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812349157) 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 11 ways as a sum of consecutive naturals, for example, 23479 + ... + 64621.

It is an arithmetic number, because the mean of its divisors is an integer number (140619906).

Almost surely, 2^1812349150 is an apocalyptic number.

1812349150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1812349150 is a deficient number, since it is larger than the sum of its proper divisors (1562528594).

1812349150 is a wasteful number, since it uses less digits than its factorization.

1812349150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42036 (or 42031 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1812349150 is about 42571.6942345498. The cubic root of 1812349150 is about 1219.2159142589.

The spelling of 1812349150 in words is "one billion, eight hundred twelve million, three hundred forty-nine thousand, one hundred fifty".