1812062413 has 4 divisors (see below), whose sum is σ = 2070928480. Its totient is φ = 1553196348.

The previous prime is 1812062411. The next prime is 1812062449. The reversal of 1812062413 is 3142602181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1812062413 - 2¹ = 1812062411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812062411) 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, 129433023 + ... + 129433036.

It is an arithmetic number, because the mean of its divisors is an integer number (517732120).

Almost surely, 2^1812062413 is an apocalyptic number.

It is an amenable number.

1812062413 is a deficient number, since it is larger than the sum of its proper divisors (258866067).

1812062413 is an equidigital number, since it uses as much as digits as its factorization.

1812062413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258866066.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1812062413 is about 42568.3264059089. The cubic root of 1812062413 is about 1219.1516123092.

Adding to 1812062413 its reverse (3142602181), we get a palindrome (4954664594).

The spelling of 1812062413 in words is "one billion, eight hundred twelve million, sixty-two thousand, four hundred thirteen".