9781053043 has 2 divisors, whose sum is σ = 9781053044. Its totient is φ = 9781053042.

The previous prime is 9781053041. The next prime is 9781053053. The reversal of 9781053043 is 3403501879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9781053043 - 2¹ = 9781053041 is a prime.

Together with 9781053041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9781052987 and 9781053005.

It is not a weakly prime, because it can be changed into another prime (9781053041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4890526521 + 4890526522.

It is an arithmetic number, because the mean of its divisors is an integer number (4890526522).

Almost surely, 2^9781053043 is an apocalyptic number.

9781053043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9781053043 is an equidigital number, since it uses as much as digits as its factorization.

9781053043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 9781053043 is about 98899.2064831665. The cubic root of 9781053043 is about 2138.5949552892.

The spelling of 9781053043 in words is "nine billion, seven hundred eighty-one million, fifty-three thousand, forty-three".