72386039441 has 2 divisors, whose sum is σ = 72386039442. Its totient is φ = 72386039440.

The previous prime is 72386039417. The next prime is 72386039443. The reversal of 72386039441 is 14493068327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72148108816 + 237930625 = 268604^2 + 15425^2 .

It is a cyclic number.

It is not a de Polignac number, because 72386039441 - 2¹⁴ = 72386023057 is a prime.

Together with 72386039443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72386039443) 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, 36193019720 + 36193019721.

It is an arithmetic number, because the mean of its divisors is an integer number (36193019721).

Almost surely, 2^72386039441 is an apocalyptic number.

It is an amenable number.

72386039441 is a deficient number, since it is larger than the sum of its proper divisors (1).

72386039441 is an equidigital number, since it uses as much as digits as its factorization.

72386039441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 72386039441 in words is "seventy-two billion, three hundred eighty-six million, thirty-nine thousand, four hundred forty-one".