430806355261 has 2 divisors, whose sum is σ = 430806355262. Its totient is φ = 430806355260.

The previous prime is 430806355201. The next prime is 430806355337. The reversal of 430806355261 is 162553608034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382678332100 + 48128023161 = 618610^2 + 219381^2 .

It is a cyclic number.

It is not a de Polignac number, because 430806355261 - 2²³ = 430797966653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430806355201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215403177630 + 215403177631.

It is an arithmetic number, because the mean of its divisors is an integer number (215403177631).

Almost surely, 2^430806355261 is an apocalyptic number.

It is an amenable number.

430806355261 is a deficient number, since it is larger than the sum of its proper divisors (1).

430806355261 is an equidigital number, since it uses as much as digits as its factorization.

430806355261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 430806355261 in words is "four hundred thirty billion, eight hundred six million, three hundred fifty-five thousand, two hundred sixty-one".