1812345410 has 16 divisors (see below), whose sum is σ = 3262707000. Its totient is φ = 724830336.

The previous prime is 1812345397. The next prime is 1812345413. The reversal of 1812345410 is 145432181.

It can be written as a sum of positive squares in 4 ways, for example, as 1662111361 + 150234049 = 40769^2 + 12257^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1812345413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121016 + ... + 135164.

Almost surely, 2^1812345410 is an apocalyptic number.

1812345410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1812345410 is a deficient number, since it is larger than the sum of its proper divisors (1450361590).

1812345410 is a wasteful number, since it uses less digits than its factorization.

1812345410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26965.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1812345410 is about 42571.6503086267. The cubic root of 1812345410 is about 1219.2150755922.

Adding to 1812345410 its reverse (145432181), we get a palindrome (1957777591).

The spelling of 1812345410 in words is "one billion, eight hundred twelve million, three hundred forty-five thousand, four hundred ten".