430144043261 has 2 divisors, whose sum is σ = 430144043262. Its totient is φ = 430144043260.

The previous prime is 430144043257. The next prime is 430144043323. The reversal of 430144043261 is 162340441034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382622659225 + 47521384036 = 618565^2 + 217994^2 .

It is a cyclic number.

It is not a de Polignac number, because 430144043261 - 2² = 430144043257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430144043201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215072021630 + 215072021631.

It is an arithmetic number, because the mean of its divisors is an integer number (215072021631).

Almost surely, 2^430144043261 is an apocalyptic number.

It is an amenable number.

430144043261 is a deficient number, since it is larger than the sum of its proper divisors (1).

430144043261 is an equidigital number, since it uses as much as digits as its factorization.

430144043261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 430144043261 its reverse (162340441034), we get a palindrome (592484484295).

The spelling of 430144043261 in words is "four hundred thirty billion, one hundred forty-four million, forty-three thousand, two hundred sixty-one".