74629577189 has 2 divisors, whose sum is σ = 74629577190. Its totient is φ = 74629577188.

The previous prime is 74629577153. The next prime is 74629577203. The reversal of 74629577189 is 98177592647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74451488164 + 178089025 = 272858^2 + 13345^2 .

It is a cyclic number.

It is not a de Polignac number, because 74629577189 - 2¹⁶ = 74629511653 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 (74629577989) 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, 37314788594 + 37314788595.

It is an arithmetic number, because the mean of its divisors is an integer number (37314788595).

Almost surely, 2^74629577189 is an apocalyptic number.

It is an amenable number.

74629577189 is a deficient number, since it is larger than the sum of its proper divisors (1).

74629577189 is an equidigital number, since it uses as much as digits as its factorization.

74629577189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53343360, while the sum is 65.

The spelling of 74629577189 in words is "seventy-four billion, six hundred twenty-nine million, five hundred seventy-seven thousand, one hundred eighty-nine".