72680189353 has 2 divisors, whose sum is σ = 72680189354. Its totient is φ = 72680189352.

The previous prime is 72680189341. The next prime is 72680189389. The reversal of 72680189353 is 35398108627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68114214169 + 4565975184 = 260987^2 + 67572^2 .

It is a cyclic number.

It is not a de Polignac number, because 72680189353 - 2¹⁷ = 72680058281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72680189353.

It is not a weakly prime, because it can be changed into another prime (72680189333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36340094676 + 36340094677.

It is an arithmetic number, because the mean of its divisors is an integer number (36340094677).

Almost surely, 2^72680189353 is an apocalyptic number.

It is an amenable number.

72680189353 is a deficient number, since it is larger than the sum of its proper divisors (1).

72680189353 is an equidigital number, since it uses as much as digits as its factorization.

72680189353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 72680189353 in words is "seventy-two billion, six hundred eighty million, one hundred eighty-nine thousand, three hundred fifty-three".