961168431901 has 2 divisors, whose sum is σ = 961168431902. Its totient is φ = 961168431900.

The previous prime is 961168431877. The next prime is 961168431907. The reversal of 961168431901 is 109134861169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813151259001 + 148017172900 = 901749^2 + 384730^2 .

It is an emirp because it is prime and its reverse (109134861169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961168431901 - 2¹¹ = 961168429853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961168431907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480584215950 + 480584215951.

It is an arithmetic number, because the mean of its divisors is an integer number (480584215951).

Almost surely, 2^961168431901 is an apocalyptic number.

It is an amenable number.

961168431901 is a deficient number, since it is larger than the sum of its proper divisors (1).

961168431901 is an equidigital number, since it uses as much as digits as its factorization.

961168431901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 961168431901 in words is "nine hundred sixty-one billion, one hundred sixty-eight million, four hundred thirty-one thousand, nine hundred one".