1812650746 has 32 divisors (see below), whose sum is σ = 2932848000. Its totient is φ = 838178880.

The previous prime is 1812650743. The next prime is 1812650759. The reversal of 1812650746 is 6470562181.

It is a junction number, because it is equal to n+sod(n) for n = 1812650699 and 1812650708.

It is not an unprimeable number, because it can be changed into a prime (1812650743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160080 + ... + 171028.

It is an arithmetic number, because the mean of its divisors is an integer number (91651500).

Almost surely, 2^1812650746 is an apocalyptic number.

1812650746 is a deficient number, since it is larger than the sum of its proper divisors (1120197254).

1812650746 is a wasteful number, since it uses less digits than its factorization.

1812650746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1812650746 is about 42575.2362999902. The cubic root of 1812650746 is about 1219.2835410823.

The spelling of 1812650746 in words is "one billion, eight hundred twelve million, six hundred fifty thousand, seven hundred forty-six".