434430431287 has 2 divisors, whose sum is σ = 434430431288. Its totient is φ = 434430431286.

The previous prime is 434430431273. The next prime is 434430431381. The reversal of 434430431287 is 782134034434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434430431287 - 2⁷ = 434430431159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434430431207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217215215643 + 217215215644.

It is an arithmetic number, because the mean of its divisors is an integer number (217215215644).

Almost surely, 2^434430431287 is an apocalyptic number.

434430431287 is a deficient number, since it is larger than the sum of its proper divisors (1).

434430431287 is an equidigital number, since it uses as much as digits as its factorization.

434430431287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 434430431287 in words is "four hundred thirty-four billion, four hundred thirty million, four hundred thirty-one thousand, two hundred eighty-seven".