961430005729 has 2 divisors, whose sum is σ = 961430005730. Its totient is φ = 961430005728.

The previous prime is 961430005651. The next prime is 961430005733. The reversal of 961430005729 is 927500034169.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618192207504 + 343237798225 = 786252^2 + 585865^2 .

It is an emirp because it is prime and its reverse (927500034169) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961430005729 is a prime.

It is not a weakly prime, because it can be changed into another prime (961430005429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480715002864 + 480715002865.

It is an arithmetic number, because the mean of its divisors is an integer number (480715002865).

Almost surely, 2^961430005729 is an apocalyptic number.

It is an amenable number.

961430005729 is a deficient number, since it is larger than the sum of its proper divisors (1).

961430005729 is an equidigital number, since it uses as much as digits as its factorization.

961430005729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 961430005729 in words is "nine hundred sixty-one billion, four hundred thirty million, five thousand, seven hundred twenty-nine".