72134449202219 has 2 divisors, whose sum is σ = 72134449202220. Its totient is φ = 72134449202218.

The previous prime is 72134449202197. The next prime is 72134449202237. The reversal of 72134449202219 is 91220294443127.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72134449202219 is a prime.

It is a super-2 number, since 2×72134449202219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72134449202419) 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, 36067224601109 + 36067224601110.

It is an arithmetic number, because the mean of its divisors is an integer number (36067224601110).

Almost surely, 2^{72134449202219} is an apocalyptic number.

72134449202219 is a deficient number, since it is larger than the sum of its proper divisors (1).

72134449202219 is an equidigital number, since it uses as much as digits as its factorization.

72134449202219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 72134449202219 in words is "seventy-two trillion, one hundred thirty-four billion, four hundred forty-nine million, two hundred two thousand, two hundred nineteen".