72381795443 has 2 divisors, whose sum is σ = 72381795444. Its totient is φ = 72381795442.

The previous prime is 72381795433. The next prime is 72381795457. The reversal of 72381795443 is 34459718327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72381795443 - 2²⁶ = 72314686579 is a prime.

It is not a weakly prime, because it can be changed into another prime (72381795433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36190897721 + 36190897722.

It is an arithmetic number, because the mean of its divisors is an integer number (36190897722).

Almost surely, 2^72381795443 is an apocalyptic number.

72381795443 is a deficient number, since it is larger than the sum of its proper divisors (1).

72381795443 is an equidigital number, since it uses as much as digits as its factorization.

72381795443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The spelling of 72381795443 in words is "seventy-two billion, three hundred eighty-one million, seven hundred ninety-five thousand, four hundred forty-three".