72265562463293 has 2 divisors, whose sum is σ = 72265562463294. Its totient is φ = 72265562463292.

The previous prime is 72265562463253. The next prime is 72265562463331. The reversal of 72265562463293 is 39236426556227.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60639658399609 + 11625904063684 = 7787147^2 + 3409678^2 .

It is a cyclic number.

It is not a de Polignac number, because 72265562463293 - 2¹² = 72265562459197 is a prime.

It is a super-2 number, since 2×72265562463293² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72265562463253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132781231646 + 36132781231647.

It is an arithmetic number, because the mean of its divisors is an integer number (36132781231647).

Almost surely, 2^{72265562463293} is an apocalyptic number.

It is an amenable number.

72265562463293 is a deficient number, since it is larger than the sum of its proper divisors (1).

72265562463293 is an equidigital number, since it uses as much as digits as its factorization.

72265562463293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195955200, while the sum is 62.

The spelling of 72265562463293 in words is "seventy-two trillion, two hundred sixty-five billion, five hundred sixty-two million, four hundred sixty-three thousand, two hundred ninety-three".