72263436319 has 2 divisors, whose sum is σ = 72263436320. Its totient is φ = 72263436318.

The previous prime is 72263436227. The next prime is 72263436353. The reversal of 72263436319 is 91363436227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72263436319 - 2⁹ = 72263435807 is a prime.

It is a super-2 number, since 2×72263436319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72263436359) 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, 36131718159 + 36131718160.

It is an arithmetic number, because the mean of its divisors is an integer number (36131718160).

Almost surely, 2^72263436319 is an apocalyptic number.

72263436319 is a deficient number, since it is larger than the sum of its proper divisors (1).

72263436319 is an equidigital number, since it uses as much as digits as its factorization.

72263436319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 46.

The spelling of 72263436319 in words is "seventy-two billion, two hundred sixty-three million, four hundred thirty-six thousand, three hundred nineteen".