72265614913 has 2 divisors, whose sum is σ = 72265614914. Its totient is φ = 72265614912.

The previous prime is 72265614887. The next prime is 72265614943. The reversal of 72265614913 is 31941656227.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66787098624 + 5478516289 = 258432^2 + 74017^2 .

It is a cyclic number.

It is not a de Polignac number, because 72265614913 - 2¹⁷ = 72265483841 is a prime.

It is not a weakly prime, because it can be changed into another prime (72265614943) 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, 36132807456 + 36132807457.

It is an arithmetic number, because the mean of its divisors is an integer number (36132807457).

Almost surely, 2^72265614913 is an apocalyptic number.

It is an amenable number.

72265614913 is a deficient number, since it is larger than the sum of its proper divisors (1).

72265614913 is an equidigital number, since it uses as much as digits as its factorization.

72265614913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The spelling of 72265614913 in words is "seventy-two billion, two hundred sixty-five million, six hundred fourteen thousand, nine hundred thirteen".