434105211391 has 2 divisors, whose sum is σ = 434105211392. Its totient is φ = 434105211390.

The previous prime is 434105211361. The next prime is 434105211431. The reversal of 434105211391 is 193112501434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434105211391 - 2¹³ = 434105203199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434105211311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217052605695 + 217052605696.

It is an arithmetic number, because the mean of its divisors is an integer number (217052605696).

Almost surely, 2^434105211391 is an apocalyptic number.

434105211391 is a deficient number, since it is larger than the sum of its proper divisors (1).

434105211391 is an equidigital number, since it uses as much as digits as its factorization.

434105211391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 434105211391 in words is "four hundred thirty-four billion, one hundred five million, two hundred eleven thousand, three hundred ninety-one".