961427743 has 2 divisors, whose sum is σ = 961427744. Its totient is φ = 961427742.

The previous prime is 961427699. The next prime is 961427767. The reversal of 961427743 is 347724169.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961427743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 961427743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961427783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480713871 + 480713872.

It is an arithmetic number, because the mean of its divisors is an integer number (480713872).

Almost surely, 2^961427743 is an apocalyptic number.

961427743 is a deficient number, since it is larger than the sum of its proper divisors (1).

961427743 is an equidigital number, since it uses as much as digits as its factorization.

961427743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 961427743 is about 31006.8983131174. The cubic root of 961427743 is about 986.9736315230.

The spelling of 961427743 in words is "nine hundred sixty-one million, four hundred twenty-seven thousand, seven hundred forty-three".