72948489799 has 2 divisors, whose sum is σ = 72948489800. Its totient is φ = 72948489798.

The previous prime is 72948489797. The next prime is 72948489811. The reversal of 72948489799 is 99798484927.

It is a weak prime.

It is an emirp because it is prime and its reverse (99798484927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72948489799 - 2¹ = 72948489797 is a prime.

Together with 72948489797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72948489791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36474244899 + 36474244900.

It is an arithmetic number, because the mean of its divisors is an integer number (36474244900).

Almost surely, 2^72948489799 is an apocalyptic number.

72948489799 is a deficient number, since it is larger than the sum of its proper divisors (1).

72948489799 is an equidigital number, since it uses as much as digits as its factorization.

72948489799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658409472, while the sum is 76.

The spelling of 72948489799 in words is "seventy-two billion, nine hundred forty-eight million, four hundred eighty-nine thousand, seven hundred ninety-nine".