434323021444019 has 4 divisors (see below), whose sum is σ = 434323074778296. Its totient is φ = 434322968109744.

The previous prime is 434323021444007. The next prime is 434323021444049. The reversal of 434323021444019 is 910444120323434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 434323021444019 - 2²⁰ = 434323020395443 is a prime.

It is a super-2 number, since 2×434323021444019² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434323021444049) 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, 11622989 + ... + 31681854.

It is an arithmetic number, because the mean of its divisors is an integer number (108580768694574).

Almost surely, 2^{434323021444019} is an apocalyptic number.

434323021444019 is a deficient number, since it is larger than the sum of its proper divisors (53334277).

434323021444019 is a wasteful number, since it uses less digits than its factorization.

434323021444019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53334276.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 434323021444019 in words is "four hundred thirty-four trillion, three hundred twenty-three billion, twenty-one million, four hundred forty-four thousand, nineteen".