74468929589 has 2 divisors, whose sum is σ = 74468929590. Its totient is φ = 74468929588.

The previous prime is 74468929559. The next prime is 74468929621. The reversal of 74468929589 is 98592986447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58150911025 + 16318018564 = 241145^2 + 127742^2 .

It is an emirp because it is prime and its reverse (98592986447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74468929589 - 2⁸ = 74468929333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74468929529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37234464794 + 37234464795.

It is an arithmetic number, because the mean of its divisors is an integer number (37234464795).

Almost surely, 2^74468929589 is an apocalyptic number.

It is an amenable number.

74468929589 is a deficient number, since it is larger than the sum of its proper divisors (1).

74468929589 is an equidigital number, since it uses as much as digits as its factorization.

74468929589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313528320, while the sum is 71.

The spelling of 74468929589 in words is "seventy-four billion, four hundred sixty-eight million, nine hundred twenty-nine thousand, five hundred eighty-nine".