434141891 has 2 divisors, whose sum is σ = 434141892. Its totient is φ = 434141890.

The previous prime is 434141857. The next prime is 434141923. The reversal of 434141891 is 198141434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434141891 - 2¹⁰ = 434140867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (434111891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217070945 + 217070946.

It is an arithmetic number, because the mean of its divisors is an integer number (217070946).

Almost surely, 2^434141891 is an apocalyptic number.

434141891 is a deficient number, since it is larger than the sum of its proper divisors (1).

434141891 is an equidigital number, since it uses as much as digits as its factorization.

434141891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 434141891 is about 20836.0718706766. The cubic root of 434141891 is about 757.1999289279.

The spelling of 434141891 in words is "four hundred thirty-four million, one hundred forty-one thousand, eight hundred ninety-one".