1812937620050 has 12 divisors (see below), whose sum is σ = 3372063973386. Its totient is φ = 725175048000.

The previous prime is 1812937620023. The next prime is 1812937620071. The reversal of 1812937620050 is 500267392181.

It can be written as a sum of positive squares in 3 ways, for example, as 1581001949641 + 231935670409 = 1257379^2 + 481597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1812937619983 and 1812937620010.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18129376151 + ... + 18129376250.

Almost surely, 2^{1812937620050} is an apocalyptic number.

1812937620050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1812937620050 is a deficient number, since it is larger than the sum of its proper divisors (1559126353336).

1812937620050 is a wasteful number, since it uses less digits than its factorization.

1812937620050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36258752413 (or 36258752408 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 1812937620050 in words is "one trillion, eight hundred twelve billion, nine hundred thirty-seven million, six hundred twenty thousand, fifty".