1814363636 has 6 divisors (see below), whose sum is σ = 3175136370. Its totient is φ = 907181816.

The previous prime is 1814363609. The next prime is 1814363689. The reversal of 1814363636 is 6363634181.

It can be written as a sum of positive squares in only one way, i.e., 1743062500 + 71301136 = 41750^2 + 8444^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1814363593 and 1814363602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226795451 + ... + 226795458.

It is an arithmetic number, because the mean of its divisors is an integer number (529189395).

Almost surely, 2^1814363636 is an apocalyptic number.

It is an amenable number.

1814363636 is a deficient number, since it is larger than the sum of its proper divisors (1360772734).

1814363636 is a wasteful number, since it uses less digits than its factorization.

1814363636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453590913 (or 453590911 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 1814363636 is about 42595.3475863268. The cubic root of 1814363636 is about 1219.6674799230.

The spelling of 1814363636 in words is "one billion, eight hundred fourteen million, three hundred sixty-three thousand, six hundred thirty-six".