430540949 has 2 divisors, whose sum is σ = 430540950. Its totient is φ = 430540948.

The previous prime is 430540883. The next prime is 430540987. The reversal of 430540949 is 949045034.

It is an a-pointer prime, because the next prime (430540987) can be obtained adding 430540949 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396726724 + 33814225 = 19918^2 + 5815^2 .

It is a cyclic number.

It is not a de Polignac number, because 430540949 - 2¹⁶ = 430475413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430740949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215270474 + 215270475.

It is an arithmetic number, because the mean of its divisors is an integer number (215270475).

Almost surely, 2^430540949 is an apocalyptic number.

It is an amenable number.

430540949 is a deficient number, since it is larger than the sum of its proper divisors (1).

430540949 is an equidigital number, since it uses as much as digits as its factorization.

430540949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 430540949 is about 20749.4806922969. The cubic root of 430540949 is about 755.1006102491.

It can be divided in two parts, 4305 and 40949, that added together give a palindrome (45254).

The spelling of 430540949 in words is "four hundred thirty million, five hundred forty thousand, nine hundred forty-nine".