434959691 has 2 divisors, whose sum is σ = 434959692. Its totient is φ = 434959690.

The previous prime is 434959579. The next prime is 434959697. The reversal of 434959691 is 196959434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434959691 - 2²⁶ = 367850827 is a prime.

It is not a weakly prime, because it can be changed into another prime (434959697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217479845 + 217479846.

It is an arithmetic number, because the mean of its divisors is an integer number (217479846).

Almost surely, 2^434959691 is an apocalyptic number.

434959691 is a deficient number, since it is larger than the sum of its proper divisors (1).

434959691 is an equidigital number, since it uses as much as digits as its factorization.

434959691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 434959691 is about 20855.6872579160. The cubic root of 434959691 is about 757.6750805609.

The spelling of 434959691 in words is "four hundred thirty-four million, nine hundred fifty-nine thousand, six hundred ninety-one".