72210330463549 has 2 divisors, whose sum is σ = 72210330463550. Its totient is φ = 72210330463548.

The previous prime is 72210330463529. The next prime is 72210330463651. The reversal of 72210330463549 is 94536403301227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56001799399225 + 16208531064324 = 7483435^2 + 4025982^2 .

It is a cyclic number.

It is not a de Polignac number, because 72210330463549 - 2⁵ = 72210330463517 is a prime.

It is a super-3 number, since 3×72210330463549³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72210330463529) 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, 36105165231774 + 36105165231775.

It is an arithmetic number, because the mean of its divisors is an integer number (36105165231775).

Almost surely, 2^{72210330463549} is an apocalyptic number.

It is an amenable number.

72210330463549 is a deficient number, since it is larger than the sum of its proper divisors (1).

72210330463549 is an equidigital number, since it uses as much as digits as its factorization.

72210330463549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 72210330463549 in words is "seventy-two trillion, two hundred ten billion, three hundred thirty million, four hundred sixty-three thousand, five hundred forty-nine".