74233625849 has 2 divisors, whose sum is σ = 74233625850. Its totient is φ = 74233625848.

The previous prime is 74233625839. The next prime is 74233625861. The reversal of 74233625849 is 94852633247.

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., 69990406249 + 4243219600 = 264557^2 + 65140^2 .

It is an emirp because it is prime and its reverse (94852633247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74233625849 - 2¹² = 74233621753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74233625849.

It is not a weakly prime, because it can be changed into another prime (74233625839) 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, 37116812924 + 37116812925.

It is an arithmetic number, because the mean of its divisors is an integer number (37116812925).

Almost surely, 2^74233625849 is an apocalyptic number.

It is an amenable number.

74233625849 is a deficient number, since it is larger than the sum of its proper divisors (1).

74233625849 is an equidigital number, since it uses as much as digits as its factorization.

74233625849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 53.

The spelling of 74233625849 in words is "seventy-four billion, two hundred thirty-three million, six hundred twenty-five thousand, eight hundred forty-nine".