72269124461 has 2 divisors, whose sum is σ = 72269124462. Its totient is φ = 72269124460.

The previous prime is 72269124379. The next prime is 72269124491. The reversal of 72269124461 is 16442196227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56361608836 + 15907515625 = 237406^2 + 126125^2 .

It is a cyclic number.

It is not a de Polignac number, because 72269124461 - 2¹⁸ = 72268862317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72269124491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36134562230 + 36134562231.

It is an arithmetic number, because the mean of its divisors is an integer number (36134562231).

Almost surely, 2^72269124461 is an apocalyptic number.

It is an amenable number.

72269124461 is a deficient number, since it is larger than the sum of its proper divisors (1).

72269124461 is an equidigital number, since it uses as much as digits as its factorization.

72269124461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The spelling of 72269124461 in words is "seventy-two billion, two hundred sixty-nine million, one hundred twenty-four thousand, four hundred sixty-one".