434430641 has 2 divisors, whose sum is σ = 434430642. Its totient is φ = 434430640.

The previous prime is 434430637. The next prime is 434430679. The reversal of 434430641 is 146034434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265820416 + 168610225 = 16304^2 + 12985^2 .

It is a cyclic number.

It is not a de Polignac number, because 434430641 - 2² = 434430637 is a prime.

It is not a weakly prime, because it can be changed into another prime (434430691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217215320 + 217215321.

It is an arithmetic number, because the mean of its divisors is an integer number (217215321).

Almost surely, 2^434430641 is an apocalyptic number.

It is an amenable number.

434430641 is a deficient number, since it is larger than the sum of its proper divisors (1).

434430641 is an equidigital number, since it uses as much as digits as its factorization.

434430641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 434430641 is about 20842.9998080890. Note that the first 3 decimals coincide. The cubic root of 434430641 is about 757.3677642437.

The spelling of 434430641 in words is "four hundred thirty-four million, four hundred thirty thousand, six hundred forty-one".