434101819 has 2 divisors, whose sum is σ = 434101820. Its totient is φ = 434101818.

The previous prime is 434101799. The next prime is 434101867. The reversal of 434101819 is 918101434.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434101819 is a prime.

It is a super-2 number, since 2×434101819² = 376888778518217522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (434101879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217050909 + 217050910.

It is an arithmetic number, because the mean of its divisors is an integer number (217050910).

Almost surely, 2^434101819 is an apocalyptic number.

434101819 is a deficient number, since it is larger than the sum of its proper divisors (1).

434101819 is an equidigital number, since it uses as much as digits as its factorization.

434101819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 434101819 is about 20835.1102468885. The cubic root of 434101819 is about 757.1766312843.

The spelling of 434101819 in words is "four hundred thirty-four million, one hundred one thousand, eight hundred nineteen".