961430005589 has 2 divisors, whose sum is σ = 961430005590. Its totient is φ = 961430005588.

The previous prime is 961430005559. The next prime is 961430005651. The reversal of 961430005589 is 985500034169.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 754523288689 + 206906716900 = 868633^2 + 454870^2 .

It is a cyclic number.

It is not a de Polignac number, because 961430005589 - 2²⁸ = 961161570133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961430005559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480715002794 + 480715002795.

It is an arithmetic number, because the mean of its divisors is an integer number (480715002795).

Almost surely, 2^961430005589 is an apocalyptic number.

It is an amenable number.

961430005589 is a deficient number, since it is larger than the sum of its proper divisors (1).

961430005589 is an equidigital number, since it uses as much as digits as its factorization.

961430005589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 961430005589 in words is "nine hundred sixty-one billion, four hundred thirty million, five thousand, five hundred eighty-nine".