1814233397 has 2 divisors, whose sum is σ = 1814233398. Its totient is φ = 1814233396.

The previous prime is 1814233361. The next prime is 1814233423. The reversal of 1814233397 is 7933324181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1780755601 + 33477796 = 42199^2 + 5786^2 .

It is an emirp because it is prime and its reverse (7933324181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1814233397 - 2¹² = 1814229301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1814233357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 907116698 + 907116699.

It is an arithmetic number, because the mean of its divisors is an integer number (907116699).

Almost surely, 2^1814233397 is an apocalyptic number.

It is an amenable number.

1814233397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1814233397 is an equidigital number, since it uses as much as digits as its factorization.

1814233397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 1814233397 is about 42593.8187651683. The cubic root of 1814233397 is about 1219.6382957560.

The spelling of 1814233397 in words is "one billion, eight hundred fourteen million, two hundred thirty-three thousand, three hundred ninety-seven".