74020265089 has 2 divisors, whose sum is σ = 74020265090. Its totient is φ = 74020265088.

The previous prime is 74020265087. The next prime is 74020265107. The reversal of 74020265089 is 98056202047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50850250000 + 23170015089 = 225500^2 + 152217^2 .

It is a cyclic number.

It is not a de Polignac number, because 74020265089 - 2¹ = 74020265087 is a prime.

Together with 74020265087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74020265083) 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, 37010132544 + 37010132545.

It is an arithmetic number, because the mean of its divisors is an integer number (37010132545).

Almost surely, 2^74020265089 is an apocalyptic number.

It is an amenable number.

74020265089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74020265089 is an equidigital number, since it uses as much as digits as its factorization.

74020265089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 74020265089 in words is "seventy-four billion, twenty million, two hundred sixty-five thousand, eighty-nine".