74435554339 has 2 divisors, whose sum is σ = 74435554340. Its totient is φ = 74435554338.

The previous prime is 74435554321. The next prime is 74435554367. The reversal of 74435554339 is 93345553447.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74435554339 - 2⁹ = 74435553827 is a prime.

It is not a weakly prime, because it can be changed into another prime (74435554439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37217777169 + 37217777170.

It is an arithmetic number, because the mean of its divisors is an integer number (37217777170).

Almost surely, 2^74435554339 is an apocalyptic number.

74435554339 is a deficient number, since it is larger than the sum of its proper divisors (1).

74435554339 is an equidigital number, since it uses as much as digits as its factorization.

74435554339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608000, while the sum is 52.

The spelling of 74435554339 in words is "seventy-four billion, four hundred thirty-five million, five hundred fifty-four thousand, three hundred thirty-nine".