72834219149 has 2 divisors, whose sum is σ = 72834219150. Its totient is φ = 72834219148.

The previous prime is 72834219103. The next prime is 72834219257. The reversal of 72834219149 is 94191243827.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49020174025 + 23814045124 = 221405^2 + 154318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72834219149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72834219097 and 72834219106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72834219049) 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, 36417109574 + 36417109575.

It is an arithmetic number, because the mean of its divisors is an integer number (36417109575).

Almost surely, 2^72834219149 is an apocalyptic number.

It is an amenable number.

72834219149 is a deficient number, since it is larger than the sum of its proper divisors (1).

72834219149 is an equidigital number, since it uses as much as digits as its factorization.

72834219149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The spelling of 72834219149 in words is "seventy-two billion, eight hundred thirty-four million, two hundred nineteen thousand, one hundred forty-nine".