72301216943 has 2 divisors, whose sum is σ = 72301216944. Its totient is φ = 72301216942.

The previous prime is 72301216909. The next prime is 72301217003. The reversal of 72301216943 is 34961210327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72301216943 - 2¹⁶ = 72301151407 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 72301216897 and 72301216906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72301216343) 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, 36150608471 + 36150608472.

It is an arithmetic number, because the mean of its divisors is an integer number (36150608472).

Almost surely, 2^72301216943 is an apocalyptic number.

72301216943 is a deficient number, since it is larger than the sum of its proper divisors (1).

72301216943 is an equidigital number, since it uses as much as digits as its factorization.

72301216943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 72301216943 in words is "seventy-two billion, three hundred one million, two hundred sixteen thousand, nine hundred forty-three".