72386039443 has 2 divisors, whose sum is σ = 72386039444. Its totient is φ = 72386039442.

The previous prime is 72386039441. The next prime is 72386039459. The reversal of 72386039443 is 34493068327.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34493068327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72386039443 - 2¹ = 72386039441 is a prime.

Together with 72386039441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72386039441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36193019721 + 36193019722.

It is an arithmetic number, because the mean of its divisors is an integer number (36193019722).

Almost surely, 2^72386039443 is an apocalyptic number.

72386039443 is a deficient number, since it is larger than the sum of its proper divisors (1).

72386039443 is an equidigital number, since it uses as much as digits as its factorization.

72386039443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 49.

It can be divided in two parts, 7238 and 6039443, that added together give a square (6046681 = 2459²).

The spelling of 72386039443 in words is "seventy-two billion, three hundred eighty-six million, thirty-nine thousand, four hundred forty-three".