1814623968434 has 8 divisors (see below), whose sum is σ = 2722409927040. Its totient is φ = 907153992756.

The previous prime is 1814623968433. The next prime is 1814623968481. The reversal of 1814623968434 is 4348693264181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1814623968433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78981374 + ... + 79004345.

It is an arithmetic number, because the mean of its divisors is an integer number (340301240880).

Almost surely, 2^{1814623968434} is an apocalyptic number.

1814623968434 is a deficient number, since it is larger than the sum of its proper divisors (907785958606).

1814623968434 is a wasteful number, since it uses less digits than its factorization.

1814623968434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157991464.

The product of its digits is 23887872, while the sum is 59.

The spelling of 1814623968434 in words is "one trillion, eight hundred fourteen billion, six hundred twenty-three million, nine hundred sixty-eight thousand, four hundred thirty-four".