72341511269 has 2 divisors, whose sum is σ = 72341511270. Its totient is φ = 72341511268.

The previous prime is 72341511257. The next prime is 72341511293. The reversal of 72341511269 is 96211514327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54079502500 + 18262008769 = 232550^2 + 135137^2 .

It is an emirp because it is prime and its reverse (96211514327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72341511269 - 2³² = 68046543973 is a prime.

It is a super-2 number, since 2×72341511269² (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 (72341511239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36170755634 + 36170755635.

It is an arithmetic number, because the mean of its divisors is an integer number (36170755635).

Almost surely, 2^72341511269 is an apocalyptic number.

It is an amenable number.

72341511269 is a deficient number, since it is larger than the sum of its proper divisors (1).

72341511269 is an equidigital number, since it uses as much as digits as its factorization.

72341511269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The spelling of 72341511269 in words is "seventy-two billion, three hundred forty-one million, five hundred eleven thousand, two hundred sixty-nine".