1814382434 has 4 divisors (see below), whose sum is σ = 2721573654. Its totient is φ = 907191216.

The previous prime is 1814382433. The next prime is 1814382461. The reversal of 1814382434 is 4342834181.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1793268409 + 21114025 = 42347^2 + 4595^2 .

It is not an unprimeable number, because it can be changed into a prime (1814382433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453595607 + ... + 453595610.

Almost surely, 2^1814382434 is an apocalyptic number.

1814382434 is a deficient number, since it is larger than the sum of its proper divisors (907191220).

1814382434 is an equidigital number, since it uses as much as digits as its factorization.

1814382434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907191219.

The product of its digits is 73728, while the sum is 38.

The square root of 1814382434 is about 42595.5682436565. The cubic root of 1814382434 is about 1219.6716920940.

The spelling of 1814382434 in words is "one billion, eight hundred fourteen million, three hundred eighty-two thousand, four hundred thirty-four".