74383203689 has 2 divisors, whose sum is σ = 74383203690. Its totient is φ = 74383203688.

The previous prime is 74383203679. The next prime is 74383203701. The reversal of 74383203689 is 98630238347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56456136025 + 17927067664 = 237605^2 + 133892^2 .

It is an emirp because it is prime and its reverse (98630238347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74383203689 - 2¹⁶ = 74383138153 is a prime.

It is a super-3 number, since 3×74383203689³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74383203689.

It is not a weakly prime, because it can be changed into another prime (74383203679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37191601844 + 37191601845.

It is an arithmetic number, because the mean of its divisors is an integer number (37191601845).

Almost surely, 2^74383203689 is an apocalyptic number.

It is an amenable number.

74383203689 is a deficient number, since it is larger than the sum of its proper divisors (1).

74383203689 is an equidigital number, since it uses as much as digits as its factorization.

74383203689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 74383203689 in words is "seventy-four billion, three hundred eighty-three million, two hundred three thousand, six hundred eighty-nine".