430540465540649 has 2 divisors, whose sum is σ = 430540465540650. Its totient is φ = 430540465540648.

The previous prime is 430540465540589. The next prime is 430540465540711. The reversal of 430540465540649 is 946045564045034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429023397894400 + 1517067646249 = 20712880^2 + 1231693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430540465540649 is a prime.

It is not a weakly prime, because it can be changed into another prime (430540465545649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215270232770324 + 215270232770325.

It is an arithmetic number, because the mean of its divisors is an integer number (215270232770325).

Almost surely, 2^{430540465540649} is an apocalyptic number.

It is an amenable number.

430540465540649 is a deficient number, since it is larger than the sum of its proper divisors (1).

430540465540649 is an equidigital number, since it uses as much as digits as its factorization.

430540465540649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416000, while the sum is 59.

The spelling of 430540465540649 in words is "four hundred thirty trillion, five hundred forty billion, four hundred sixty-five million, five hundred forty thousand, six hundred forty-nine".